320436874332 has 72 divisors (see below), whose sum is σ = 812345998464. Its totient is φ = 106502486016.

The previous prime is 320436874273. The next prime is 320436874399. The reversal of 320436874332 is 233478634023.

320436874332 is a `hidden beast` number, since 3 + 204 + 3 + 6 + 8 + 7 + 433 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18414628 + ... + 18432020.

It is an arithmetic number, because the mean of its divisors is an integer number (11282583312).

Almost surely, 2^320436874332 is an apocalyptic number.

It is an amenable number.

320436874332 is an abundant number, since it is smaller than the sum of its proper divisors (491909124132).

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

320436874332 is a wasteful number, since it uses less digits than its factorization.

320436874332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18859 (or 18854 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 45.

The spelling of 320436874332 in words is "three hundred twenty billion, four hundred thirty-six million, eight hundred seventy-four thousand, three hundred thirty-two".