25402533002 has 64 divisors (see below), whose sum is σ = 49264809984. Its totient is φ = 9535890240.

The previous prime is 25402532993. The next prime is 25402533007. The reversal of 25402533002 is 20033520452.

It is not an unprimeable number, because it can be changed into a prime (25402533007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 565253 + ... + 608535.

It is an arithmetic number, because the mean of its divisors is an integer number (769762656).

Almost surely, 2^25402533002 is an apocalyptic number.

25402533002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25402533002 is a deficient number, since it is larger than the sum of its proper divisors (23862276982).

25402533002 is a wasteful number, since it uses less digits than its factorization.

25402533002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43443.

The product of its (nonzero) digits is 7200, while the sum is 26.

The spelling of 25402533002 in words is "twenty-five billion, four hundred two million, five hundred thirty-three thousand, two".