40020167223632 has 40 divisors (see below), whose sum is σ = 77645937741480. Its totient is φ = 19982510254080.

The previous prime is 40020167223521. The next prime is 40020167223649. The reversal of 40020167223632 is 23632276102004.

It can be written as a sum of positive squares in 4 ways, for example, as 9827823724096 + 30192343499536 = 3134936^2 + 5494756^2 .

It is a super-2 number, since 2×40020167223632² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153344132 + ... + 153604892.

It is an arithmetic number, because the mean of its divisors is an integer number (1941148443537).

Almost surely, 2^{40020167223632} is an apocalyptic number.

It is an amenable number.

40020167223632 is a deficient number, since it is larger than the sum of its proper divisors (37625770517848).

40020167223632 is a wasteful number, since it uses less digits than its factorization.

40020167223632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273951 (or 273945 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 40020167223632 in words is "forty trillion, twenty billion, one hundred sixty-seven million, two hundred twenty-three thousand, six hundred thirty-two".