2316638880 has 120 divisors (see below), whose sum is σ = 8175850452. Its totient is φ = 617766912.

The previous prime is 2316638873. The next prime is 2316638899. The reversal of 2316638880 is 888366132.

2316638880 is a `hidden beast` number, since 2 + 3 + 1 + 6 + 638 + 8 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2021761296 + 294877584 = 44964^2 + 17172^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 76417 + ... + 102336.

Almost surely, 2^2316638880 is an apocalyptic number.

2316638880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2316638880 is an abundant number, since it is smaller than the sum of its proper divisors (5859211572).

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

2316638880 is a wasteful number, since it uses less digits than its factorization.

2316638880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178780 (or 178763 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 2316638880 is about 48131.4749410404. The cubic root of 2316638880 is about 1323.1815815063.

The spelling of 2316638880 in words is "two billion, three hundred sixteen million, six hundred thirty-eight thousand, eight hundred eighty".