438307614768 has 40 divisors (see below), whose sum is σ = 1181524877568. Its totient is φ = 139750253632.

The previous prime is 438307614683. The next prime is 438307614769. The reversal of 438307614768 is 867416703834.

It is a super-2 number, since 2×438307614768² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (438307614769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198507780 + ... + 198509987.

Almost surely, 2^438307614768 is an apocalyptic number.

438307614768 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

438307614768 is an abundant number, since it is smaller than the sum of its proper divisors (743217262800).

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

438307614768 is a wasteful number, since it uses less digits than its factorization.

438307614768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397017801 (or 397017795 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 57.

The spelling of 438307614768 in words is "four hundred thirty-eight billion, three hundred seven million, six hundred fourteen thousand, seven hundred sixty-eight".