25404134405152 has 48 divisors (see below), whose sum is σ = 51236840239200. Its totient is φ = 12391634844160.

The previous prime is 25404134405147. The next prime is 25404134405183. The reversal of 25404134405152 is 25150443140452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26048499 + ... + 27006157.

It is an arithmetic number, because the mean of its divisors is an integer number (1067434171650).

Almost surely, 2^{25404134405152} is an apocalyptic number.

It is an amenable number.

25404134405152 is an abundant number, since it is smaller than the sum of its proper divisors (25832705834048).

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

25404134405152 is a wasteful number, since it uses less digits than its factorization.

25404134405152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977929 (or 977921 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 40.

The spelling of 25404134405152 in words is "twenty-five trillion, four hundred four billion, one hundred thirty-four million, four hundred five thousand, one hundred fifty-two".