402356222327644 has 18 divisors (see below), whose sum is σ = 762453137281920. Its totient is φ = 185702871843216.

The previous prime is 402356222327623. The next prime is 402356222327677. The reversal of 402356222327644 is 446723222653204.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 402356222327591 and 402356222327600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 297600755484 + ... + 297600756835.

Almost surely, 2^{402356222327644} is an apocalyptic number.

It is an amenable number.

402356222327644 is a deficient number, since it is larger than the sum of its proper divisors (360096914954276).

402356222327644 is a wasteful number, since it uses less digits than its factorization.

402356222327644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595201512349 (or 595201512334 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 52.

The spelling of 402356222327644 in words is "four hundred two trillion, three hundred fifty-six billion, two hundred twenty-two million, three hundred twenty-seven thousand, six hundred forty-four".