40745667065 has 32 divisors (see below), whose sum is σ = 53367496704. Its totient is φ = 29739156480.

The previous prime is 40745667019. The next prime is 40745667071. The reversal of 40745667065 is 56076654704.

It is not a de Polignac number, because 40745667065 - 2²⁴ = 40728889849 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 828392 + ... + 876198.

It is an arithmetic number, because the mean of its divisors is an integer number (1667734272).

Almost surely, 2^40745667065 is an apocalyptic number.

It is an amenable number.

40745667065 is a deficient number, since it is larger than the sum of its proper divisors (12621829639).

40745667065 is a wasteful number, since it uses less digits than its factorization.

40745667065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48137.

The product of its (nonzero) digits is 4233600, while the sum is 50.

The spelling of 40745667065 in words is "forty billion, seven hundred forty-five million, six hundred sixty-seven thousand, sixty-five".