32390449824 has 96 divisors (see below), whose sum is σ = 85811927040. Its totient is φ = 10697121792.

The previous prime is 32390449813. The next prime is 32390449853. The reversal of 32390449824 is 42894409323.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 12300412 + ... + 12303044.

It is an arithmetic number, because the mean of its divisors is an integer number (893874240).

Almost surely, 2^32390449824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32390449824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42905963520).

32390449824 is an abundant number, since it is smaller than the sum of its proper divisors (53421477216).

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

32390449824 is a wasteful number, since it uses less digits than its factorization.

32390449824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782 (or 3774 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 32390449824 in words is "thirty-two billion, three hundred ninety million, four hundred forty-nine thousand, eight hundred twenty-four".