25527285464 has 16 divisors (see below), whose sum is σ = 47871679200. Its totient is φ = 12761504352.

The previous prime is 25527285461. The next prime is 25527285473. The reversal of 25527285464 is 46458272552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25527285461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215984 + ... + 312575.

It is an arithmetic number, because the mean of its divisors is an integer number (2991979950).

Almost surely, 2^25527285464 is an apocalyptic number.

It is an amenable number.

25527285464 is a deficient number, since it is larger than the sum of its proper divisors (22344393736).

25527285464 is a wasteful number, since it uses less digits than its factorization.

25527285464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534602 (or 534598 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 50.

The spelling of 25527285464 in words is "twenty-five billion, five hundred twenty-seven million, two hundred eighty-five thousand, four hundred sixty-four".