43700020572 has 48 divisors (see below), whose sum is σ = 110942411552. Its totient is φ = 13307535360.

The previous prime is 43700020541. The next prime is 43700020583. The reversal of 43700020572 is 27502000734.

43700020572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1428829 + ... + 1459092.

Almost surely, 2^43700020572 is an apocalyptic number.

It is an amenable number.

43700020572 is an abundant number, since it is smaller than the sum of its proper divisors (67242390980).

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

43700020572 is a wasteful number, since it uses less digits than its factorization.

43700020572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2888038 (or 2888036 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 30.

The spelling of 43700020572 in words is "forty-three billion, seven hundred million, twenty thousand, five hundred seventy-two".