25402025763 has 8 divisors (see below), whose sum is σ = 37632630800. Its totient is φ = 16934683824.

The previous prime is 25402025729. The next prime is 25402025773. The reversal of 25402025763 is 36752020452.

25402025763 is a `hidden beast` number, since 2 + 540 + 2 + 0 + 2 + 57 + 63 = 666.

It is not a de Polignac number, because 25402025763 - 2⁸ = 25402025507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25402025773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470407858 + ... + 470407911.

It is an arithmetic number, because the mean of its divisors is an integer number (4704078850).

Almost surely, 2^25402025763 is an apocalyptic number.

25402025763 is a deficient number, since it is larger than the sum of its proper divisors (12230605037).

25402025763 is an equidigital number, since it uses as much as digits as its factorization.

25402025763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940815778 (or 940815772 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The spelling of 25402025763 in words is "twenty-five billion, four hundred two million, twenty-five thousand, seven hundred sixty-three".