25654503464 has 16 divisors (see below), whose sum is σ = 48124022400. Its totient is φ = 12821430832.

The previous prime is 25654503443. The next prime is 25654503473. The reversal of 25654503464 is 46430545652.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 708854 + ... + 744165.

It is an arithmetic number, because the mean of its divisors is an integer number (3007751400).

Almost surely, 2^25654503464 is an apocalyptic number.

It is an amenable number.

25654503464 is a deficient number, since it is larger than the sum of its proper divisors (22469518936).

25654503464 is a wasteful number, since it uses less digits than its factorization.

25654503464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455232 (or 1455228 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 25654503464 in words is "twenty-five billion, six hundred fifty-four million, five hundred three thousand, four hundred sixty-four".