40165737730461 has 64 divisors (see below), whose sum is σ = 72168348211200. Its totient is φ = 21552978140928.

The previous prime is 40165737730381. The next prime is 40165737730463. The reversal of 40165737730461 is 16403773756104.

40165737730461 is a `hidden beast` number, since 4 + 0 + 1 + 6 + 573 + 7 + 7 + 3 + 0 + 4 + 61 = 666.

It is not a de Polignac number, because 40165737730461 - 2¹³ = 40165737722269 is a prime.

It is a super-2 number, since 2×40165737730461² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40165737730398 and 40165737730407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40165737730463) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12686131 + ... + 15532848.

It is an arithmetic number, because the mean of its divisors is an integer number (1127630440800).

Almost surely, 2^{40165737730461} is an apocalyptic number.

It is an amenable number.

40165737730461 is a deficient number, since it is larger than the sum of its proper divisors (32002610480739).

40165737730461 is a wasteful number, since it uses less digits than its factorization.

40165737730461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28219455 (or 28219449 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 54.

The spelling of 40165737730461 in words is "forty trillion, one hundred sixty-five billion, seven hundred thirty-seven million, seven hundred thirty thousand, four hundred sixty-one".