25256342002 has 16 divisors (see below), whose sum is σ = 39893603040. Its totient is φ = 11958979968.

The previous prime is 25256341967. The next prime is 25256342011. The reversal of 25256342002 is 20024365252.

It is a super-2 number, since 2×25256342002² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24108 + ... + 226039.

It is an arithmetic number, because the mean of its divisors is an integer number (2493350190).

Almost surely, 2^25256342002 is an apocalyptic number.

25256342002 is a deficient number, since it is larger than the sum of its proper divisors (14637261038).

25256342002 is a wasteful number, since it uses less digits than its factorization.

25256342002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252825.

The product of its (nonzero) digits is 28800, while the sum is 31.

The spelling of 25256342002 in words is "twenty-five billion, two hundred fifty-six million, three hundred forty-two thousand, two".