40163631842532 has 48 divisors (see below), whose sum is σ = 102259472781312. Its totient is φ = 12167848296480.

The previous prime is 40163631842519. The next prime is 40163631842539. The reversal of 40163631842532 is 23524813636104.

It is a happy number.

It is a super-2 number, since 2×40163631842532² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40163631842539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36318568 + ... + 37408095.

It is an arithmetic number, because the mean of its divisors is an integer number (2130405682944).

Almost surely, 2^{40163631842532} is an apocalyptic number.

It is an amenable number.

40163631842532 is an abundant number, since it is smaller than the sum of its proper divisors (62095840938780).

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

40163631842532 is a wasteful number, since it uses less digits than its factorization.

40163631842532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73730808 (or 73730806 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 48.

The spelling of 40163631842532 in words is "forty trillion, one hundred sixty-three billion, six hundred thirty-one million, eight hundred forty-two thousand, five hundred thirty-two".