438500942112 has 48 divisors (see below), whose sum is σ = 1151734241952. Its totient is φ = 146081994240.

The previous prime is 438500942101. The next prime is 438500942129. The reversal of 438500942112 is 211249005834.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×438500942112² (a number of 24 digits) contains 22 as substring.

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, 1161838 + ... + 1492269.

It is an arithmetic number, because the mean of its divisors is an integer number (23994463374).

Almost surely, 2^438500942112 is an apocalyptic number.

It is an amenable number.

438500942112 is an abundant number, since it is smaller than the sum of its proper divisors (713233299840).

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

438500942112 is a wasteful number, since it uses less digits than its factorization.

438500942112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655841 (or 2655833 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

Adding to 438500942112 its reverse (211249005834), we get a palindrome (649749947946).

The spelling of 438500942112 in words is "four hundred thirty-eight billion, five hundred million, nine hundred forty-two thousand, one hundred twelve".