43792038440 has 16 divisors (see below), whose sum is σ = 98532086580. Its totient is φ = 17516815360.

The previous prime is 43792038427. The next prime is 43792038449. The reversal of 43792038440 is 4483029734.

It can be written as a sum of positive squares in 2 ways, for example, as 40520884804 + 3271153636 = 201298^2 + 57194^2 .

It is a junction number, because it is equal to n+sod(n) for n = 43792038391 and 43792038400.

It is not an unprimeable number, because it can be changed into a prime (43792038449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547400441 + ... + 547400520.

Almost surely, 2^43792038440 is an apocalyptic number.

43792038440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43792038440 is an abundant number, since it is smaller than the sum of its proper divisors (54740048140).

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

43792038440 is a wasteful number, since it uses less digits than its factorization.

43792038440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094800972 (or 1094800968 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The spelling of 43792038440 in words is "forty-three billion, seven hundred ninety-two million, thirty-eight thousand, four hundred forty".