40156576745 has 16 divisors (see below), whose sum is σ = 49497286080. Its totient is φ = 31252578624.

The previous prime is 40156576721. The next prime is 40156576777. The reversal of 40156576745 is 54767565104.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40156576745 is a prime.

It is a super-2 number, since 2×40156576745² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40156576693 and 40156576702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2013794 + ... + 2033636.

It is an arithmetic number, because the mean of its divisors is an integer number (3093580380).

Almost surely, 2^40156576745 is an apocalyptic number.

It is an amenable number.

40156576745 is a deficient number, since it is larger than the sum of its proper divisors (9340709335).

40156576745 is a wasteful number, since it uses less digits than its factorization.

40156576745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30824.

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 40156576745 in words is "forty billion, one hundred fifty-six million, five hundred seventy-six thousand, seven hundred forty-five".