40136880370544 has 80 divisors (see below), whose sum is σ = 78667380652896. Its totient is φ = 19836931276800.

The previous prime is 40136880370523. The next prime is 40136880370547. The reversal of 40136880370544 is 44507308863104.

It is a super-2 number, since 2×40136880370544² (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 (40136880370547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1673683034 + ... + 1673707014.

Almost surely, 2^{40136880370544} is an apocalyptic number.

It is an amenable number.

40136880370544 is a deficient number, since it is larger than the sum of its proper divisors (38530500282352).

40136880370544 is a wasteful number, since it uses less digits than its factorization.

40136880370544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27354 (or 27348 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 53.

The spelling of 40136880370544 in words is "forty trillion, one hundred thirty-six billion, eight hundred eighty million, three hundred seventy thousand, five hundred forty-four".