25312466421352 has 64 divisors (see below), whose sum is σ = 54506065982400. Its totient is φ = 10898997120000.

The previous prime is 25312466421343. The next prime is 25312466421379.

It is a happy number.

25312466421352 is nontrivially palindromic in base 10.

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, 15789952 + ... + 17318992.

It is an arithmetic number, because the mean of its divisors is an integer number (851657280975).

Almost surely, 2^{25312466421352} is an apocalyptic number.

25312466421352 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25312466421352 is an abundant number, since it is smaller than the sum of its proper divisors (29193599561048).

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

25312466421352 is a wasteful number, since it uses less digits than its factorization.

25312466421352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538978 (or 1538974 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 46.

It can be divided in two parts, 2531246 and 6421352, that added together give a palindrome (8952598).

The spelling of 25312466421352 in words is "twenty-five trillion, three hundred twelve billion, four hundred sixty-six million, four hundred twenty-one thousand, three hundred fifty-two".