2631992888 has 32 divisors (see below), whose sum is σ = 5643372000. Its totient is φ = 1127319552.

The previous prime is 2631992843. The next prime is 2631992893. The reversal of 2631992888 is 8882991362.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86288 + ... + 112736.

It is an arithmetic number, because the mean of its divisors is an integer number (176355375).

Almost surely, 2^2631992888 is an apocalyptic number.

2631992888 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2631992888 is an abundant number, since it is smaller than the sum of its proper divisors (3011379112).

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

2631992888 is a wasteful number, since it uses less digits than its factorization.

2631992888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28239 (or 28235 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 56.

The square root of 2631992888 is about 51302.9520398193. The cubic root of 2631992888 is about 1380.6859447811.

The spelling of 2631992888 in words is "two billion, six hundred thirty-one million, nine hundred ninety-two thousand, eight hundred eighty-eight".