40163673881442 has 32 divisors (see below), whose sum is σ = 81526786720704. Its totient is φ = 13187987366400.

The previous prime is 40163673881437. The next prime is 40163673881521. The reversal of 40163673881442 is 24418837636104.

It is a super-2 number, since 2×40163673881442² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107018442 + ... + 107393082.

It is an arithmetic number, because the mean of its divisors is an integer number (2547712085022).

Almost surely, 2^{40163673881442} is an apocalyptic number.

40163673881442 is an abundant number, since it is smaller than the sum of its proper divisors (41363112839262).

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

40163673881442 is a wasteful number, since it uses less digits than its factorization.

40163673881442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641394.

The product of its (nonzero) digits is 18579456, while the sum is 57.

The spelling of 40163673881442 in words is "forty trillion, one hundred sixty-three billion, six hundred seventy-three million, eight hundred eighty-one thousand, four hundred forty-two".