40244032457 has 16 divisors (see below), whose sum is σ = 41134510080. Its totient is φ = 39361464000.

The previous prime is 40244032441. The next prime is 40244032583. The reversal of 40244032457 is 75423044204.

It is a cyclic number.

It is not a de Polignac number, because 40244032457 - 2⁴ = 40244032441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40244032417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16077068 + ... + 16079570.

It is an arithmetic number, because the mean of its divisors is an integer number (2570906880).

Almost surely, 2^40244032457 is an apocalyptic number.

It is an amenable number.

40244032457 is a deficient number, since it is larger than the sum of its proper divisors (890477623).

40244032457 is a wasteful number, since it uses less digits than its factorization.

40244032457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3944.

The product of its (nonzero) digits is 107520, while the sum is 35.

The spelling of 40244032457 in words is "forty billion, two hundred forty-four million, thirty-two thousand, four hundred fifty-seven".