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2582425440 = 253257236599
BaseRepresentation
bin1001100111101100…
…1010111101100000
320122222021210201200
42121323022331200
520242100103230
61104130201200
7120665153100
oct23173127540
96588253650
102582425440
111105791501
12600a23200
1332202b7ba
141a6d89200
15101aad160
hex99ecaf60

2582425440 has 216 divisors, whose sum is σ = 10251586800. Its totient is φ = 590252544.

The previous prime is 2582425427. The next prime is 2582425453. The reversal of 2582425440 is 445242852.

It is an interprime number because it is at equal distance from previous prime (2582425427) and next prime (2582425453).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2582425395 and 2582425404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52261 + ... + 88859.

It is an arithmetic number, because the mean of its divisors is an integer number (47461050).

Almost surely, 22582425440 is an apocalyptic number.

2582425440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2582425440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5125793400).

2582425440 is an abundant number, since it is smaller than the sum of its proper divisors (7669161360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2582425440 is a wasteful number, since it uses less digits than its factorization.

2582425440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36634 (or 36616 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

The square root of 2582425440 is about 50817.5701898467. The cubic root of 2582425440 is about 1371.9636253025.

The spelling of 2582425440 in words is "two billion, five hundred eighty-two million, four hundred twenty-five thousand, four hundred forty".