25464566546452 has 48 divisors (see below), whose sum is σ = 49102148652480. Its totient is φ = 11458649216000.

The previous prime is 25464566546407. The next prime is 25464566546453.

25464566546452 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25464566546453) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 32754699 + ... + 33523117.

It is an arithmetic number, because the mean of its divisors is an integer number (1022961430260).

Almost surely, 2^{25464566546452} is an apocalyptic number.

25464566546452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25464566546452 is a deficient number, since it is larger than the sum of its proper divisors (23637582106028).

25464566546452 is a wasteful number, since it uses less digits than its factorization.

25464566546452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775992 (or 775990 counting only the distinct ones).

The product of its digits is 829440000, while the sum is 64.

The spelling of 25464566546452 in words is "twenty-five trillion, four hundred sixty-four billion, five hundred sixty-six million, five hundred forty-six thousand, four hundred fifty-two".