1632393980 has 48 divisors (see below), whose sum is σ = 3928544256. Its totient is φ = 558135360.

The previous prime is 1632393947. The next prime is 1632393991. The reversal of 1632393980 is 893932361.

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, 35495 + ... + 67265.

It is an arithmetic number, because the mean of its divisors is an integer number (81844672).

Almost surely, 2^1632393980 is an apocalyptic number.

1632393980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1632393980 is an abundant number, since it is smaller than the sum of its proper divisors (2296150276).

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

1632393980 is a wasteful number, since it uses less digits than its factorization.

1632393980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32154 (or 32152 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 1632393980 is about 40402.8956883043. The cubic root of 1632393980 is about 1177.4477970856.

The spelling of 1632393980 in words is "one billion, six hundred thirty-two million, three hundred ninety-three thousand, nine hundred eighty".