25340044032 has 108 divisors (see below), whose sum is σ = 76907073880. Its totient is φ = 8002105344.

The previous prime is 25340043997. The next prime is 25340044049. The reversal of 25340044032 is 23044004352.

25340044032 is a `hidden beast` number, since 253 + 4 + 0 + 0 + 4 + 403 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25340043987 and 25340044005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 245653 + ... + 333204.

Almost surely, 2^25340044032 is an apocalyptic number.

It is an amenable number.

25340044032 is an abundant number, since it is smaller than the sum of its proper divisors (51567029848).

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

25340044032 is a wasteful number, since it uses less digits than its factorization.

25340044032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578898 (or 578881 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 25340044032 its reverse (23044004352), we get a palindrome (48384048384).

The spelling of 25340044032 in words is "twenty-five billion, three hundred forty million, forty-four thousand, thirty-two".