2318578464 has 48 divisors (see below), whose sum is σ = 6101252640. Its totient is φ = 770956800.

The previous prime is 2318578453. The next prime is 2318578481. The reversal of 2318578464 is 4648758132.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9739 + ... + 68789.

It is an arithmetic number, because the mean of its divisors is an integer number (127109430).

Almost surely, 2^2318578464 is an apocalyptic number.

2318578464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2318578464 is an abundant number, since it is smaller than the sum of its proper divisors (3782674176).

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

2318578464 is a wasteful number, since it uses less digits than its factorization.

2318578464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59473 (or 59465 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The square root of 2318578464 is about 48151.6195366262. The cubic root of 2318578464 is about 1323.5507522536.

The spelling of 2318578464 in words is "two billion, three hundred eighteen million, five hundred seventy-eight thousand, four hundred sixty-four".