402272896512 has 40 divisors (see below), whose sum is σ = 1071680142456. Its totient is φ = 134090964992.

The previous prime is 402272896507. The next prime is 402272896559. The reversal of 402272896512 is 215698272204.

It is a super-2 number, since 2×402272896512² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent 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, 130946673 + ... + 130949744.

Almost surely, 2^402272896512 is an apocalyptic number.

It is an amenable number.

402272896512 is an abundant number, since it is smaller than the sum of its proper divisors (669407245944).

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

402272896512 is an equidigital number, since it uses as much as digits as its factorization.

402272896512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261896438 (or 261896422 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 402272896512 in words is "four hundred two billion, two hundred seventy-two million, eight hundred ninety-six thousand, five hundred twelve".