40163446453746 has 64 divisors (see below), whose sum is σ = 100180750565376. Its totient is φ = 10428633177600.

The previous prime is 40163446453721. The next prime is 40163446453747. The reversal of 40163446453746 is 64735464436104.

It is a super-2 number, since 2×40163446453746² (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, 12888690 + ... + 15698573.

It is an arithmetic number, because the mean of its divisors is an integer number (1565324227584).

Almost surely, 2^{40163446453746} is an apocalyptic number.

40163446453746 is an abundant number, since it is smaller than the sum of its proper divisors (60017304111630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40163446453746 is a wasteful number, since it uses less digits than its factorization.

40163446453746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28590327.

The product of its (nonzero) digits is 69672960, while the sum is 57.

The spelling of 40163446453746 in words is "forty trillion, one hundred sixty-three billion, four hundred forty-six million, four hundred fifty-three thousand, seven hundred forty-six".