40423247167572 has 36 divisors (see below), whose sum is σ = 102225239456340. Its totient is φ = 13468580088192.

The previous prime is 40423247167531. The next prime is 40423247167579. The reversal of 40423247167572 is 27576174232404.

40423247167572 is a `hidden beast` number, since 4 + 0 + 4 + 2 + 3 + 2 + 4 + 7 + 1 + 67 + 572 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 14023422185796 + 26399824981776 = 3744786^2 + 5138076^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423247167579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 243067153 + ... + 243233400.

Almost surely, 2^{40423247167572} is an apocalyptic number.

It is an amenable number.

40423247167572 is an abundant number, since it is smaller than the sum of its proper divisors (61801992288768).

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

40423247167572 is a wasteful number, since it uses less digits than its factorization.

40423247167572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486302872 (or 486302867 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 54.

The spelling of 40423247167572 in words is "forty trillion, four hundred twenty-three billion, two hundred forty-seven million, one hundred sixty-seven thousand, five hundred seventy-two".