328758440072 has 16 divisors (see below), whose sum is σ = 616987098000. Its totient is φ = 164228547280.

The previous prime is 328758440041. The next prime is 328758440111. The reversal of 328758440072 is 270044857823.

It is a super-2 number, since 2×328758440072² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 328758440072.

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, 18824822 + ... + 18842277.

It is an arithmetic number, because the mean of its divisors is an integer number (38561693625).

Almost surely, 2^328758440072 is an apocalyptic number.

It is an amenable number.

328758440072 is a deficient number, since it is larger than the sum of its proper divisors (288228657928).

328758440072 is a wasteful number, since it uses less digits than its factorization.

328758440072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37668196 (or 37668192 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 50.

The spelling of 328758440072 in words is "three hundred twenty-eight billion, seven hundred fifty-eight million, four hundred forty thousand, seventy-two".