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2499800940 = 2234571331547
BaseRepresentation
bin1001010011111111…
…1110111101101100
320110012211001020000
42110333332331230
520104422112230
61052015224300
7115642646250
oct22477767554
96405731200
102499800940
11107308849a
12599218090
1330ab8c970
14199ddc260
15e96dbb60
hex94ffef6c

2499800940 has 480 divisors, whose sum is σ = 9981210624. Its totient is φ = 509483520.

The previous prime is 2499800903. The next prime is 2499800951. The reversal of 2499800940 is 490089942.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 4569747 + ... + 4570293.

Almost surely, 22499800940 is an apocalyptic number.

2499800940 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 2499800940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4990605312).

2499800940 is an abundant number, since it is smaller than the sum of its proper divisors (7481409684).

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

2499800940 is a wasteful number, since it uses less digits than its factorization.

2499800940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 2499800940 is about 49998.0093603735. The cubic root of 2499800940 is about 1357.1727852100.

The spelling of 2499800940 in words is "two billion, four hundred ninety-nine million, eight hundred thousand, nine hundred forty".