402590741432896 has 21 divisors (see below), whose sum is σ = 798891321057571. Its totient is φ = 201295290457792.

The previous prime is 402590741432753. The next prime is 402590741432959. The reversal of 402590741432896 is 698234147095204.

The square root of 402590741432896 is 20064664.

It is a perfect power (a square), and thus also a powerful number.

It is a Smith number, since the sum of its digits (64) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 159263271 + ... + 161771353.

It is a 1-persistent number, because it is pandigital, but 2⋅402590741432896 = 805181482865792 is not.

Almost surely, 2^{402590741432896} is an apocalyptic number.

402590741432896 is the 20064664-th square number.

It is an amenable number.

402590741432896 is a deficient number, since it is larger than the sum of its proper divisors (396300579624675).

402590741432896 is an frugal number, since it uses more digits than its factorization.

402590741432896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016178 (or 2508085 counting only the distinct ones).

The product of its (nonzero) digits is 104509440, while the sum is 64.

402590741432896 divided by its sum of digits (64) gives a square (6290480334889 = 2508083²).

The spelling of 402590741432896 in words is "four hundred two trillion, five hundred ninety billion, seven hundred forty-one million, four hundred thirty-two thousand, eight hundred ninety-six".