3128859397050 has 48 divisors (see below), whose sum is σ = 7771310690592. Its totient is φ = 833100206400.

The previous prime is 3128859397003. The next prime is 3128859397109. The reversal of 3128859397050 is 507939588213.

It is a super-2 number, since 2×3128859397050² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

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, 15679264 + ... + 15877563.

It is an arithmetic number, because the mean of its divisors is an integer number (161902306054).

Almost surely, 2^{3128859397050} is an apocalyptic number.

3128859397050 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3128859397050 is an abundant number, since it is smaller than the sum of its proper divisors (4642451293542).

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

3128859397050 is a wasteful number, since it uses less digits than its factorization.

3128859397050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31557503 (or 31557498 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 60.

The spelling of 3128859397050 in words is "three trillion, one hundred twenty-eight billion, eight hundred fifty-nine million, three hundred ninety-seven thousand, fifty".