43520226372 has 96 divisors (see below), whose sum is σ = 136534083840. Its totient is φ = 11702914560.

The previous prime is 43520226359. The next prime is 43520226383. The reversal of 43520226372 is 27362202534.

43520226372 is a `hidden beast` number, since 4 + 3 + 520 + 2 + 2 + 63 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1680279 + ... + 1705982.

It is an arithmetic number, because the mean of its divisors is an integer number (1422230040).

Almost surely, 2^43520226372 is an apocalyptic number.

43520226372 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

43520226372 is an abundant number, since it is smaller than the sum of its proper divisors (93013857468).

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

43520226372 is a wasteful number, since it uses less digits than its factorization.

43520226372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386298 (or 3386290 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 36.

The spelling of 43520226372 in words is "forty-three billion, five hundred twenty million, two hundred twenty-six thousand, three hundred seventy-two".