2500704840 has 64 divisors (see below), whose sum is σ = 7556924160. Its totient is φ = 661982720.

The previous prime is 2500704839. The next prime is 2500704853. The reversal of 2500704840 is 484070052.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2500704798 and 2500704807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59616 + ... + 92495.

It is an arithmetic number, because the mean of its divisors is an integer number (118076940).

Almost surely, 2^2500704840 is an apocalyptic number.

2500704840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2500704840 is an abundant number, since it is smaller than the sum of its proper divisors (5056219320).

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

2500704840 is a wasteful number, since it uses less digits than its factorization.

2500704840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152262 (or 152258 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 2500704840 is about 50007.0479032706. The cubic root of 2500704840 is about 1357.3363449867.

Adding to 2500704840 its reverse (484070052), we get a palindrome (2984774892).

The spelling of 2500704840 in words is "two billion, five hundred million, seven hundred four thousand, eight hundred forty".