438055689848 has 32 divisors (see below), whose sum is σ = 947984744160. Its totient is φ = 185879356800.

The previous prime is 438055689839. The next prime is 438055689859. The reversal of 438055689848 is 848986550834.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38719211 + ... + 38730522.

It is an arithmetic number, because the mean of its divisors is an integer number (29624523255).

Almost surely, 2^438055689848 is an apocalyptic number.

It is an amenable number.

438055689848 is an abundant number, since it is smaller than the sum of its proper divisors (509929054312).

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

438055689848 is a wasteful number, since it uses less digits than its factorization.

438055689848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77449847 (or 77449843 counting only the distinct ones).

The product of its (nonzero) digits is 265420800, while the sum is 68.

The spelling of 438055689848 in words is "four hundred thirty-eight billion, fifty-five million, six hundred eighty-nine thousand, eight hundred forty-eight".