25054256402 has 32 divisors (see below), whose sum is σ = 43080360960. Its totient is φ = 10705044240.

The previous prime is 25054256399. The next prime is 25054256429. The reversal of 25054256402 is 20465245052.

It is a super-3 number, since 3×25054256402³ (a number of 32 digits) contains 333 as substring.

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, 7519877 + ... + 7523207.

It is an arithmetic number, because the mean of its divisors is an integer number (1346261280).

Almost surely, 2^25054256402 is an apocalyptic number.

25054256402 is a deficient number, since it is larger than the sum of its proper divisors (18026104558).

25054256402 is a wasteful number, since it uses less digits than its factorization.

25054256402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4806.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 25054256402 in words is "twenty-five billion, fifty-four million, two hundred fifty-six thousand, four hundred two".