40564372742 has 16 divisors (see below), whose sum is σ = 61034383872. Its totient is φ = 20219618760.

The previous prime is 40564372729. The next prime is 40564372811. The reversal of 40564372742 is 24727346504.

It is a junction number, because it is equal to n+sod(n) for n = 40564372693 and 40564372702.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2430767 + ... + 2447397.

It is an arithmetic number, because the mean of its divisors is an integer number (3814648992).

Almost surely, 2^40564372742 is an apocalyptic number.

40564372742 is a deficient number, since it is larger than the sum of its proper divisors (20470011130).

40564372742 is a wasteful number, since it uses less digits than its factorization.

40564372742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20323.

The product of its (nonzero) digits is 1128960, while the sum is 44.

The spelling of 40564372742 in words is "forty billion, five hundred sixty-four million, three hundred seventy-two thousand, seven hundred forty-two".