402745027392 has 168 divisors, whose sum is σ = 1222624830336. Its totient is φ = 131391756288.

The previous prime is 402745027309. The next prime is 402745027411. The reversal of 402745027392 is 293720547204.

402745027392 is a `hidden beast` number, since 4 + 0 + 2 + 74 + 502 + 73 + 9 + 2 = 666.

It is a congruent number.

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, 455448 + ... + 1006440.

It is an arithmetic number, because the mean of its divisors is an integer number (7277528752).

Almost surely, 2^402745027392 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 402745027392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611312415168).

402745027392 is an abundant number, since it is smaller than the sum of its proper divisors (819879802944).

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

402745027392 is an equidigital number, since it uses as much as digits as its factorization.

402745027392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551067 (or 551045 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 402745027392 in words is "four hundred two billion, seven hundred forty-five million, twenty-seven thousand, three hundred ninety-two".