128369762496 has 224 divisors, whose sum is σ = 384653088960. Its totient is φ = 41969664000.

The previous prime is 128369762441. The next prime is 128369762501. The reversal of 128369762496 is 694267963821.

128369762496 is a `hidden beast` number, since 1 + 2 + 83 + 6 + 9 + 7 + 62 + 496 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42267090 + ... + 42270126.

It is an arithmetic number, because the mean of its divisors is an integer number (1717201290).

Almost surely, 2^128369762496 is an apocalyptic number.

128369762496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128369762496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192326544480).

128369762496 is an abundant number, since it is smaller than the sum of its proper divisors (256283326464).

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

128369762496 is a wasteful number, since it uses less digits than its factorization.

128369762496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3520 (or 3504 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 63.

The spelling of 128369762496 in words is "one hundred twenty-eight billion, three hundred sixty-nine million, seven hundred sixty-two thousand, four hundred ninety-six".