438288068670 has 32 divisors (see below), whose sum is σ = 1054821450240. Its totient is φ = 116551253280.

The previous prime is 438288068663. The next prime is 438288068693. The reversal of 438288068670 is 76860882834.

It is a super-2 number, since 2×438288068670² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20336866 + ... + 20358405.

It is an arithmetic number, because the mean of its divisors is an integer number (32963170320).

Almost surely, 2^438288068670 is an apocalyptic number.

438288068670 is an abundant number, since it is smaller than the sum of its proper divisors (616533381570).

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

438288068670 is a wasteful number, since it uses less digits than its factorization.

438288068670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40695640.

The product of its (nonzero) digits is 24772608, while the sum is 60.

The spelling of 438288068670 in words is "four hundred thirty-eight billion, two hundred eighty-eight million, sixty-eight thousand, six hundred seventy".