25420666402374 has 16 divisors (see below), whose sum is σ = 52215422881008. Its totient is φ = 8244540454752.

The previous prime is 25420666402363. The next prime is 25420666402409. The reversal of 25420666402374 is 47320466602452.

It is a congruent number.

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, 57253752937 + ... + 57253753380.

It is an arithmetic number, because the mean of its divisors is an integer number (3263463930063).

Almost surely, 2^{25420666402374} is an apocalyptic number.

25420666402374 is an abundant number, since it is smaller than the sum of its proper divisors (26794756478634).

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

25420666402374 is a wasteful number, since it uses less digits than its factorization.

25420666402374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114507506359.

The product of its (nonzero) digits is 11612160, while the sum is 51.

The spelling of 25420666402374 in words is "twenty-five trillion, four hundred twenty billion, six hundred sixty-six million, four hundred two thousand, three hundred seventy-four".