366428629908864 has 384 divisors, whose sum is σ = 1067240457953280. Its totient is φ = 120668465111040.

The previous prime is 366428629908857. The next prime is 366428629908877. The reversal of 366428629908864 is 468809926824663.

366428629908864 is a `hidden beast` number, since 3 + 6 + 6 + 428 + 6 + 29 + 90 + 8 + 86 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 109479720439 + ... + 109479723785.

It is an arithmetic number, because the mean of its divisors is an integer number (2779272025920).

Almost surely, 2^{366428629908864} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 366428629908864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533620228976640).

366428629908864 is an abundant number, since it is smaller than the sum of its proper divisors (700811828044416).

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

366428629908864 is a wasteful number, since it uses less digits than its factorization.

366428629908864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6438 (or 6423 counting only the distinct ones).

The product of its (nonzero) digits is 10319560704, while the sum is 81.

The spelling of 366428629908864 in words is "three hundred sixty-six trillion, four hundred twenty-eight billion, six hundred twenty-nine million, nine hundred eight thousand, eight hundred sixty-four".