43818798040 has 64 divisors (see below), whose sum is σ = 99059436000. Its totient is φ = 17444613120.

The previous prime is 43818798031. The next prime is 43818798071. The reversal of 43818798040 is 4089781834.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17311575 + ... + 17314105.

Almost surely, 2^43818798040 is an apocalyptic number.

43818798040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43818798040 is an abundant number, since it is smaller than the sum of its proper divisors (55240637960).

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

43818798040 is a wasteful number, since it uses less digits than its factorization.

43818798040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4420 (or 4416 counting only the distinct ones).

The product of its (nonzero) digits is 1548288, while the sum is 52.

The spelling of 43818798040 in words is "forty-three billion, eight hundred eighteen million, seven hundred ninety-eight thousand, forty".