40599597545 has 24 divisors (see below), whose sum is σ = 52771386456. Its totient is φ = 29972187648.

The previous prime is 40599597529. The next prime is 40599597593. The reversal of 40599597545 is 54579599504.

It can be written as a sum of positive squares in 12 ways, for example, as 40587743296 + 11854249 = 201464^2 + 3443^2 .

It is not a de Polignac number, because 40599597545 - 2⁴ = 40599597529 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4315787 + ... + 4325183.

It is an arithmetic number, because the mean of its divisors is an integer number (2198807769).

Almost surely, 2^40599597545 is an apocalyptic number.

It is an amenable number.

40599597545 is a deficient number, since it is larger than the sum of its proper divisors (12171788911).

40599597545 is a wasteful number, since it uses less digits than its factorization.

40599597545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14541 (or 14528 counting only the distinct ones).

The product of its (nonzero) digits is 51030000, while the sum is 62.

The spelling of 40599597545 in words is "forty billion, five hundred ninety-nine million, five hundred ninety-seven thousand, five hundred forty-five".