40163446453745 has 32 divisors (see below), whose sum is σ = 49812571330560. Its totient is φ = 31055719518720.

The previous prime is 40163446453721. The next prime is 40163446453747. The reversal of 40163446453745 is 54735464436104.

It is not a de Polignac number, because 40163446453745 - 2¹⁶ = 40163446388209 is a prime.

It is a super-2 number, since 2×40163446453745² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40163446453747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 744885527 + ... + 744939443.

It is an arithmetic number, because the mean of its divisors is an integer number (1556642854080).

Almost surely, 2^{40163446453745} is an apocalyptic number.

It is an amenable number.

40163446453745 is a deficient number, since it is larger than the sum of its proper divisors (9649124876815).

40163446453745 is a wasteful number, since it uses less digits than its factorization.

40163446453745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59825.

The product of its (nonzero) digits is 58060800, while the sum is 56.

The spelling of 40163446453745 in words is "forty trillion, one hundred sixty-three billion, four hundred forty-six million, four hundred fifty-three thousand, seven hundred forty-five".