3128334383520 has 144 divisors (see below), whose sum is σ = 11237306502240. Its totient is φ = 790316047872.

The previous prime is 3128334383513. The next prime is 3128334383561. The reversal of 3128334383520 is 253834338213.

3128334383520 is a `hidden beast` number, since 3 + 1 + 2 + 8 + 3 + 3 + 43 + 83 + 520 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×3128334383520² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57142494 + ... + 57197213.

It is an arithmetic number, because the mean of its divisors is an integer number (78036850710).

Almost surely, 2^{3128334383520} is an apocalyptic number.

3128334383520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3128334383520 is an abundant number, since it is smaller than the sum of its proper divisors (8108972118720).

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

3128334383520 is a wasteful number, since it uses less digits than its factorization.

3128334383520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114339747 (or 114339736 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 3128334383520 in words is "three trillion, one hundred twenty-eight billion, three hundred thirty-four million, three hundred eighty-three thousand, five hundred twenty".