24640000464 has 80 divisors (see below), whose sum is σ = 70328034432. Its totient is φ = 7394095104.

The previous prime is 24640000439. The next prime is 24640000499. The reversal of 24640000464 is 46400004642.

It is a congruent number.

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, 637669 + ... + 675204.

Almost surely, 2^24640000464 is an apocalyptic number.

24640000464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

24640000464 is an abundant number, since it is smaller than the sum of its proper divisors (45688033968).

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

24640000464 is a wasteful number, since it uses less digits than its factorization.

24640000464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312924 (or 1312918 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

The spelling of 24640000464 in words is "twenty-four billion, six hundred forty million, four hundred sixty-four", and thus it is an aban number.