40140536264144 has 20 divisors (see below), whose sum is σ = 81865567381440. Its totient is φ = 19013938230240.

The previous prime is 40140536264111. The next prime is 40140536264173. The reversal of 40140536264144 is 44146263504104.

It is a happy number.

It is a super-2 number, since 2×40140536264144² (a number of 28 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 40140536264095 and 40140536264104.

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, 66020618552 + ... + 66020619159.

It is an arithmetic number, because the mean of its divisors is an integer number (4093278369072).

Almost surely, 2^{40140536264144} is an apocalyptic number.

It is an amenable number.

40140536264144 is an abundant number, since it is smaller than the sum of its proper divisors (41725031117296).

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

40140536264144 is a wasteful number, since it uses less digits than its factorization.

40140536264144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132041237738 (or 132041237732 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 44.

Adding to 40140536264144 its reverse (44146263504104), we get a palindrome (84286799768248).

The spelling of 40140536264144 in words is "forty trillion, one hundred forty billion, five hundred thirty-six million, two hundred sixty-four thousand, one hundred forty-four".