4491996032 has 32 divisors (see below), whose sum is σ = 9157023480. Its totient is φ = 2193762816.

The previous prime is 4491996029. The next prime is 4491996043. The reversal of 4491996032 is 2306991944.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402563 + ... + 413570.

Almost surely, 2^4491996032 is an apocalyptic number.

It is an amenable number.

4491996032 is an abundant number, since it is smaller than the sum of its proper divisors (4665027448).

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

4491996032 is an equidigital number, since it uses as much as digits as its factorization.

4491996032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816190 (or 816178 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 47.

The square root of 4491996032 is about 67022.3547184072. The cubic root of 4491996032 is about 1649.9842094601.

The spelling of 4491996032 in words is "four billion, four hundred ninety-one million, nine hundred ninety-six thousand, thirty-two".