40221937572 has 12 divisors (see below), whose sum is σ = 93851187696. Its totient is φ = 13407312520.

The previous prime is 40221937543. The next prime is 40221937583. The reversal of 40221937572 is 27573912204.

40221937572 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675914054 + ... + 1675914077.

It is an arithmetic number, because the mean of its divisors is an integer number (7820932308).

Almost surely, 2^40221937572 is an apocalyptic number.

It is an amenable number.

40221937572 is an abundant number, since it is smaller than the sum of its proper divisors (53629250124).

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

40221937572 is a wasteful number, since it uses less digits than its factorization.

40221937572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351828138 (or 3351828136 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The spelling of 40221937572 in words is "forty billion, two hundred twenty-one million, nine hundred thirty-seven thousand, five hundred seventy-two".