2632155440 has 40 divisors (see below), whose sum is σ = 6317179008. Its totient is φ = 1018897920.

The previous prime is 2632155439. The next prime is 2632155451. The reversal of 2632155440 is 445512362.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 2632155397 and 2632155406.

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, 528197 + ... + 533156.

Almost surely, 2^2632155440 is an apocalyptic number.

2632155440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2632155440 is an abundant number, since it is smaller than the sum of its proper divisors (3685023568).

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

2632155440 is a wasteful number, since it uses less digits than its factorization.

2632155440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1061397 (or 1061391 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 2632155440 is about 51304.5362516805. The cubic root of 2632155440 is about 1380.7143679381.

The spelling of 2632155440 in words is "two billion, six hundred thirty-two million, one hundred fifty-five thousand, four hundred forty".