43722457020660 has 48 divisors (see below), whose sum is σ = 133552232356032. Its totient is φ = 10599383520000.

The previous prime is 43722457020659. The next prime is 43722457020673. The reversal of 43722457020660 is 6602075422734.

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, 33123072841 + ... + 33123074160.

It is an arithmetic number, because the mean of its divisors is an integer number (2782338174084).

Almost surely, 2^{43722457020660} is an apocalyptic number.

It is an amenable number.

43722457020660 is an abundant number, since it is smaller than the sum of its proper divisors (89829775335372).

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

43722457020660 is a wasteful number, since it uses less digits than its factorization.

43722457020660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66246147024 (or 66246147022 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 48.

The spelling of 43722457020660 in words is "forty-three trillion, seven hundred twenty-two billion, four hundred fifty-seven million, twenty thousand, six hundred sixty".