40163444732236 has 48 divisors (see below), whose sum is σ = 81133345903680. Its totient is φ = 17040139603200.

The previous prime is 40163444732183. The next prime is 40163444732239. The reversal of 40163444732236 is 63223744436104.

It is a super-2 number, since 2×40163444732236² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40163444732236.

It is not an unprimeable number, because it can be changed into a prime (40163444732239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19698306 + ... + 21641398.

It is an arithmetic number, because the mean of its divisors is an integer number (1690278039660).

Almost surely, 2^{40163444732236} is an apocalyptic number.

It is an amenable number.

40163444732236 is an abundant number, since it is smaller than the sum of its proper divisors (40969901171444).

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

40163444732236 is a wasteful number, since it uses less digits than its factorization.

40163444732236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950514 (or 1950512 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 49.

The spelling of 40163444732236 in words is "forty trillion, one hundred sixty-three billion, four hundred forty-four million, seven hundred thirty-two thousand, two hundred thirty-six".