40020167223621 has 48 divisors (see below), whose sum is σ = 62700574599936. Its totient is φ = 24451474987008.

The previous prime is 40020167223521. The next prime is 40020167223649. The reversal of 40020167223621 is 12632276102004.

40020167223621 is a `hidden beast` number, since 4 + 0 + 0 + 2 + 0 + 1 + 6 + 7 + 2 + 23 + 621 = 666.

It is not a de Polignac number, because 40020167223621 - 2¹³ = 40020167215429 is a prime.

It is a super-2 number, since 2×40020167223621² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40020167223521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9596520 + ... + 13119966.

It is an arithmetic number, because the mean of its divisors is an integer number (1306261970832).

Almost surely, 2^{40020167223621} is an apocalyptic number.

It is an amenable number.

40020167223621 is a deficient number, since it is larger than the sum of its proper divisors (22680407376315).

40020167223621 is a wasteful number, since it uses less digits than its factorization.

40020167223621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524162 (or 3524159 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 40020167223621 in words is "forty trillion, twenty billion, one hundred sixty-seven million, two hundred twenty-three thousand, six hundred twenty-one".