43748331438 has 48 divisors (see below), whose sum is σ = 103326019200. Its totient is φ = 12096301680.

The previous prime is 43748331409. The next prime is 43748331449. The reversal of 43748331438 is 83413384734.

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 23 ways as a sum of consecutive naturals, for example, 501588 + ... + 582311.

It is an arithmetic number, because the mean of its divisors is an integer number (2152625400).

Almost surely, 2^43748331438 is an apocalyptic number.

43748331438 is an abundant number, since it is smaller than the sum of its proper divisors (59577687762).

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

43748331438 is a wasteful number, since it uses less digits than its factorization.

43748331438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083973 (or 1083942 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 48.

The spelling of 43748331438 in words is "forty-three billion, seven hundred forty-eight million, three hundred thirty-one thousand, four hundred thirty-eight".