422403313329990 has 64 divisors (see below), whose sum is σ = 1175383132761600. Its totient is φ = 107743453833312.

The previous prime is 422403313329961. The next prime is 422403313330057. The reversal of 422403313329990 is 99923313304224.

422403313329990 is a `hidden beast` number, since 4 + 2 + 2 + 403 + 31 + 3 + 32 + 99 + 90 = 666.

It is a super-2 number, since 2×422403313329990² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34009922400 + ... + 34009934819.

It is an arithmetic number, because the mean of its divisors is an integer number (18365361449400).

Almost surely, 2^{422403313329990} is an apocalyptic number.

422403313329990 is an abundant number, since it is smaller than the sum of its proper divisors (752979819431610).

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

422403313329990 is a wasteful number, since it uses less digits than its factorization.

422403313329990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68019857258 (or 68019857252 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 54.

The spelling of 422403313329990 in words is "four hundred twenty-two trillion, four hundred three billion, three hundred thirteen million, three hundred twenty-nine thousand, nine hundred ninety".