128472795390 has 16 divisors (see below), whose sum is σ = 308334709008. Its totient is φ = 34259412096.

The previous prime is 128472795359. The next prime is 128472795401. The reversal of 128472795390 is 93597274821.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 128472795390.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2141213227 + ... + 2141213286.

It is an arithmetic number, because the mean of its divisors is an integer number (19270919313).

Almost surely, 2^128472795390 is an apocalyptic number.

128472795390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128472795390 is an abundant number, since it is smaller than the sum of its proper divisors (179861913618).

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

128472795390 is a wasteful number, since it uses less digits than its factorization.

128472795390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4282426523.

The product of its (nonzero) digits is 7620480, while the sum is 57.

The spelling of 128472795390 in words is "one hundred twenty-eight billion, four hundred seventy-two million, seven hundred ninety-five thousand, three hundred ninety".