32447090432 has 36 divisors (see below), whose sum is σ = 64783476240. Its totient is φ = 16219527168.

The previous prime is 32447090407. The next prime is 32447090441. The reversal of 32447090432 is 23409074423.

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, 1204988 + ... + 1231620.

Almost surely, 2^32447090432 is an apocalyptic number.

32447090432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32447090432 is a deficient number, since it is larger than the sum of its proper divisors (32336385808).

32447090432 is an equidigital number, since it uses as much as digits as its factorization.

32447090432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31408 (or 31394 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 32447090432 in words is "thirty-two billion, four hundred forty-seven million, ninety thousand, four hundred thirty-two".