402265525072 has 20 divisors (see below), whose sum is σ = 779467003776. Its totient is φ = 201112749920.

The previous prime is 402265525043. The next prime is 402265525139. The reversal of 402265525072 is 270525562204.

It is a happy number.

It is a super-2 number, since 2×402265525072² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084288 + ... + 1407199.

Almost surely, 2^402265525072 is an apocalyptic number.

It is an amenable number.

402265525072 is a deficient number, since it is larger than the sum of its proper divisors (377201478704).

402265525072 is a wasteful number, since it uses less digits than its factorization.

402265525072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501586 (or 2501580 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 402265525072 in words is "four hundred two billion, two hundred sixty-five million, five hundred twenty-five thousand, seventy-two".