40244914465 has 12 divisors (see below), whose sum is σ = 56178615636. Its totient is φ = 27596512608.

The previous prime is 40244914373. The next prime is 40244914471. The reversal of 40244914465 is 56441944204.

It can be written as a sum of positive squares in 2 ways, for example, as 20343887424 + 19901027041 = 142632^2 + 141071^2 .

It is not a de Polignac number, because 40244914465 - 2³⁵ = 5885176097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82132234 + ... + 82132723.

It is an arithmetic number, because the mean of its divisors is an integer number (4681551303).

Almost surely, 2^40244914465 is an apocalyptic number.

It is an amenable number.

40244914465 is a deficient number, since it is larger than the sum of its proper divisors (15933701171).

40244914465 is a wasteful number, since it uses less digits than its factorization.

40244914465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164264976 (or 164264969 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 43.

The spelling of 40244914465 in words is "forty billion, two hundred forty-four million, nine hundred fourteen thousand, four hundred sixty-five".