402270565632 has 144 divisors (see below), whose sum is σ = 1163563188480. Its totient is φ = 122639671296.

The previous prime is 402270565607. The next prime is 402270565661. The reversal of 402270565632 is 236565072204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903433 + ... + 1273079.

It is an arithmetic number, because the mean of its divisors is an integer number (8080299920).

Almost surely, 2^402270565632 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 402270565632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581781594240).

402270565632 is an abundant number, since it is smaller than the sum of its proper divisors (761292622848).

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

402270565632 is a wasteful number, since it uses less digits than its factorization.

402270565632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369788 (or 369774 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 402270565632 in words is "four hundred two billion, two hundred seventy million, five hundred sixty-five thousand, six hundred thirty-two".