43607865040 has 40 divisors (see below), whose sum is σ = 102392149608. Its totient is φ = 17270438400.

The previous prime is 43607865017. The next prime is 43607865053. The reversal of 43607865040 is 4056870634.

43607865040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 29917929024 + 13689936016 = 172968^2 + 117004^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 2690427 + ... + 2706586.

Almost surely, 2^43607865040 is an apocalyptic number.

43607865040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43607865040 is an abundant number, since it is smaller than the sum of its proper divisors (58784284568).

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

43607865040 is a wasteful number, since it uses less digits than its factorization.

43607865040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5397127 (or 5397121 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 43607865040 in words is "forty-three billion, six hundred seven million, eight hundred sixty-five thousand, forty".