40140536571544 has 16 divisors (see below), whose sum is σ = 75270790026720. Its totient is φ = 20068325897760.

The previous prime is 40140536571539. The next prime is 40140536571571. The reversal of 40140536571544 is 44517563504104.

It is a super-2 number, since 2×40140536571544² (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 3 ways as a sum of consecutive naturals, for example, 242710672 + ... + 242875999.

It is an arithmetic number, because the mean of its divisors is an integer number (4704424376670).

Almost surely, 2^{40140536571544} is an apocalyptic number.

It is an amenable number.

40140536571544 is a deficient number, since it is larger than the sum of its proper divisors (35130253455176).

40140536571544 is a wasteful number, since it uses less digits than its factorization.

40140536571544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485597010 (or 485597006 counting only the distinct ones).

The product of its (nonzero) digits is 4032000, while the sum is 49.

The spelling of 40140536571544 in words is "forty trillion, one hundred forty billion, five hundred thirty-six million, five hundred seventy-one thousand, five hundred forty-four".