402765253792 has 24 divisors (see below), whose sum is σ = 865029920832. Its totient is φ = 183075115200.

The previous prime is 402765253757. The next prime is 402765253811. The reversal of 402765253792 is 297352567204.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 572109384 + ... + 572110087.

It is an arithmetic number, because the mean of its divisors is an integer number (36042913368).

Almost surely, 2^402765253792 is an apocalyptic number.

It is an amenable number.

402765253792 is an abundant number, since it is smaller than the sum of its proper divisors (462264667040).

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

402765253792 is a wasteful number, since it uses less digits than its factorization.

402765253792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144219492 (or 1144219484 counting only the distinct ones).

The product of its (nonzero) digits is 6350400, while the sum is 52.

The spelling of 402765253792 in words is "four hundred two billion, seven hundred sixty-five million, two hundred fifty-three thousand, seven hundred ninety-two".