40161722063634 has 64 divisors (see below), whose sum is σ = 91580810993280. Its totient is φ = 13038472247040.

The previous prime is 40161722063623. The next prime is 40161722063641. The reversal of 40161722063634 is 43636022716104.

40161722063634 is a `hidden beast` number, since 4 + 0 + 1 + 6 + 1 + 7 + 2 + 2 + 0 + 6 + 3 + 634 = 666.

It is a super-2 number, since 2×40161722063634² (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 40161722063634.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14151739 + ... + 16750974.

It is an arithmetic number, because the mean of its divisors is an integer number (1430950171770).

Almost surely, 2^{40161722063634} is an apocalyptic number.

40161722063634 is an abundant number, since it is smaller than the sum of its proper divisors (51419088929646).

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

40161722063634 is a wasteful number, since it uses less digits than its factorization.

40161722063634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30903352 (or 30903346 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

Adding to 40161722063634 its reverse (43636022716104), we get a palindrome (83797744779738).

The spelling of 40161722063634 in words is "forty trillion, one hundred sixty-one billion, seven hundred twenty-two million, sixty-three thousand, six hundred thirty-four".