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2421032040 = 2332574720441
BaseRepresentation
bin1001000001001110…
…0000010001101000
320020201121011121100
42100103200101220
514424241011130
61040123041400
7113665301310
oct22023402150
96221534540
102421032040
111032678229
12576970260
132c7770a4b
1418d776440
15e282cc60
hex904e0468

2421032040 has 192 divisors, whose sum is σ = 9184181760. Its totient is φ = 541578240.

The previous prime is 2421031981. The next prime is 2421032147. The reversal of 2421032040 is 402301242.

It is a super-2 number, since 2×24210320402 = 11722792277413123200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 108220 + ... + 128660.

It is an arithmetic number, because the mean of its divisors is an integer number (47834280).

Almost surely, 22421032040 is an apocalyptic number.

2421032040 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 2421032040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4592090880).

2421032040 is an abundant number, since it is smaller than the sum of its proper divisors (6763149720).

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

2421032040 is a wasteful number, since it uses less digits than its factorization.

2421032040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20512 (or 20505 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2421032040 is about 49203.9839850393. The cubic root of 2421032040 is about 1342.7655145180.

Adding to 2421032040 its reverse (402301242), we get a palindrome (2823333282).

The spelling of 2421032040 in words is "two billion, four hundred twenty-one million, thirty-two thousand, forty".