1491580932 has 24 divisors (see below), whose sum is σ = 3492661536. Its totient is φ = 495435648.

The previous prime is 1491580927. The next prime is 1491580939. The reversal of 1491580932 is 2390851941.

It is not an unprimeable number, because it can be changed into a prime (1491580939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216213 + ... + 223004.

It is an arithmetic number, because the mean of its divisors is an integer number (145527564).

Almost surely, 2^1491580932 is an apocalyptic number.

1491580932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1491580932 is an abundant number, since it is smaller than the sum of its proper divisors (2001080604).

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

1491580932 is a wasteful number, since it uses less digits than its factorization.

1491580932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439507 (or 439505 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 1491580932 is about 38620.9908210548. The cubic root of 1491580932 is about 1142.5685727348.

The spelling of 1491580932 in words is "one billion, four hundred ninety-one million, five hundred eighty thousand, nine hundred thirty-two".