43189906740 has 48 divisors (see below), whose sum is σ = 120965070912. Its totient is φ = 11514134016.

The previous prime is 43189906723. The next prime is 43189906783. The reversal of 43189906740 is 4760998134.

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, 124467 + ... + 319173.

It is an arithmetic number, because the mean of its divisors is an integer number (2520105644).

Almost surely, 2^43189906740 is an apocalyptic number.

It is an amenable number.

43189906740 is an abundant number, since it is smaller than the sum of its proper divisors (77775164172).

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

43189906740 is a wasteful number, since it uses less digits than its factorization.

43189906740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198416 (or 198414 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 51.

The spelling of 43189906740 in words is "forty-three billion, one hundred eighty-nine million, nine hundred six thousand, seven hundred forty".