43051438272 has 56 divisors (see below), whose sum is σ = 118859417856. Its totient is φ = 13726544128.

The previous prime is 43051438253. The next prime is 43051438279. The reversal of 43051438272 is 27283415034.

It is a self number, because there is not a number n which added to its sum of digits gives 43051438272.

It is not an unprimeable number, because it can be changed into a prime (43051438279) 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, 4870068 + ... + 4878899.

Almost surely, 2^43051438272 is an apocalyptic number.

It is an amenable number.

43051438272 is an abundant number, since it is smaller than the sum of its proper divisors (75807979584).

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

43051438272 is a wasteful number, since it uses less digits than its factorization.

43051438272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9749005 (or 9748995 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 39.

The spelling of 43051438272 in words is "forty-three billion, fifty-one million, four hundred thirty-eight thousand, two hundred seventy-two".