40221403021984 has 12 divisors (see below), whose sum is σ = 79185887199594. Its totient is φ = 20110701510976.

The previous prime is 40221403021951. The next prime is 40221403022027. The reversal of 40221403021984 is 48912030412204.

It can be written as a sum of positive squares in only one way, i.e., 39830992992400 + 390410029584 = 6311180^2 + 624828^2 .

It is a super-2 number, since 2×40221403021984² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628459422187 + ... + 628459422250.

Almost surely, 2^{40221403021984} is an apocalyptic number.

It is an amenable number.

40221403021984 is a deficient number, since it is larger than the sum of its proper divisors (38964484177610).

40221403021984 is a wasteful number, since it uses less digits than its factorization.

40221403021984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1256918844447 (or 1256918844439 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 40221403021984 in words is "forty trillion, two hundred twenty-one billion, four hundred three million, twenty-one thousand, nine hundred eighty-four".