40140542757556 has 12 divisors (see below), whose sum is σ = 72144489010468. Its totient is φ = 19527831611712.

The previous prime is 40140542757547. The next prime is 40140542757569. The reversal of 40140542757556 is 65575724504104.

It can be written as a sum of positive squares in 2 ways, for example, as 28711207424656 + 11429335332900 = 5358284^2 + 3380730^2 .

It is a super-2 number, since 2×40140542757556² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40140542757497 and 40140542757506.

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, 135609941601 + ... + 135609941896.

Almost surely, 2^{40140542757556} is an apocalyptic number.

It is an amenable number.

40140542757556 is a deficient number, since it is larger than the sum of its proper divisors (32003946252912).

40140542757556 is a wasteful number, since it uses less digits than its factorization.

40140542757556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271219883538 (or 271219883536 counting only the distinct ones).

The product of its (nonzero) digits is 23520000, while the sum is 55.

The spelling of 40140542757556 in words is "forty trillion, one hundred forty billion, five hundred forty-two million, seven hundred fifty-seven thousand, five hundred fifty-six".