438875519764 has 24 divisors (see below), whose sum is σ = 850358543328. Its totient is φ = 196511425440.

The previous prime is 438875519743. The next prime is 438875519821. The reversal of 438875519764 is 467915578834.

It is a super-2 number, since 2×438875519764² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (67).

It is a self number, because there is not a number n which added to its sum of digits gives 438875519764.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74433199 + ... + 74439094.

It is an arithmetic number, because the mean of its divisors is an integer number (35431605972).

Almost surely, 2^438875519764 is an apocalyptic number.

438875519764 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

438875519764 is a deficient number, since it is larger than the sum of its proper divisors (411483023564).

438875519764 is a wasteful number, since it uses less digits than its factorization.

438875519764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148872375 (or 148872373 counting only the distinct ones).

The product of its digits is 203212800, while the sum is 67.

The spelling of 438875519764 in words is "four hundred thirty-eight billion, eight hundred seventy-five million, five hundred nineteen thousand, seven hundred sixty-four".