40163882452816 has 10 divisors (see below), whose sum is σ = 77817522252362. Its totient is φ = 20081941226400.

The previous prime is 40163882452789. The next prime is 40163882452817. The reversal of 40163882452816 is 61825428836104.

It can be written as a sum of positive squares in only one way, i.e., 35302563027216 + 4861319425600 = 5941596^2 + 2204840^2 .

It is a super-2 number, since 2×40163882452816² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40163882452817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255121326635 + ... + 1255121326666.

Almost surely, 2^{40163882452816} is an apocalyptic number.

It is an amenable number.

40163882452816 is a deficient number, since it is larger than the sum of its proper divisors (37653639799546).

40163882452816 is a wasteful number, since it uses less digits than its factorization.

40163882452816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2510242653309 (or 2510242653303 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 58.

The spelling of 40163882452816 in words is "forty trillion, one hundred sixty-three billion, eight hundred eighty-two million, four hundred fifty-two thousand, eight hundred sixteen".