40506558840374 has 24 divisors (see below), whose sum is σ = 66798090437904. Its totient is φ = 18408630746000.

The previous prime is 40506558840373. The next prime is 40506558840413. The reversal of 40506558840374 is 47304885560504.

It is a super-2 number, since 2×40506558840374² (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 (40506558840373) 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, 14345357 + ... + 16935240.

It is an arithmetic number, because the mean of its divisors is an integer number (2783253768246).

Almost surely, 2^{40506558840374} is an apocalyptic number.

40506558840374 is a deficient number, since it is larger than the sum of its proper divisors (26291531597530).

40506558840374 is a wasteful number, since it uses less digits than its factorization.

40506558840374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31285972 (or 31285961 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 59.

The spelling of 40506558840374 in words is "forty trillion, five hundred six billion, five hundred fifty-eight million, eight hundred forty thousand, three hundred seventy-four".