40450535456 has 48 divisors (see below), whose sum is σ = 79959360600. Its totient is φ = 20143546368.

The previous prime is 40450535443. The next prime is 40450535519. The reversal of 40450535456 is 65453505404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16770250000 + 23680285456 = 129500^2 + 153884^2 .

It is a super-2 number, since 2×40450535456² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12525650 + ... + 12528878.

Almost surely, 2^40450535456 is an apocalyptic number.

It is an amenable number.

40450535456 is a deficient number, since it is larger than the sum of its proper divisors (39508825144).

40450535456 is a wasteful number, since it uses less digits than its factorization.

40450535456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4701 (or 4693 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 40450535456 in words is "forty billion, four hundred fifty million, five hundred thirty-five thousand, four hundred fifty-six".