40746124161 has 18 divisors (see below), whose sum is σ = 62521257942. Its totient is φ = 25566193920.

The previous prime is 40746124157. The next prime is 40746124171. The reversal of 40746124161 is 16142164704.

It is a happy number.

40746124161 is a `hidden beast` number, since 407 + 4 + 6 + 1 + 241 + 6 + 1 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 30632000400 + 10114123761 = 175020^2 + 100569^2 .

It is not a de Polignac number, because 40746124161 - 2² = 40746124157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40746124141) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 7830180 + ... + 7835381.

It is an arithmetic number, because the mean of its divisors is an integer number (3473403219).

Almost surely, 2^40746124161 is an apocalyptic number.

It is an amenable number.

40746124161 is a deficient number, since it is larger than the sum of its proper divisors (21775133781).

40746124161 is a wasteful number, since it uses less digits than its factorization.

40746124161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15665601 (or 15665581 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

Adding to 40746124161 its reverse (16142164704), we get a palindrome (56888288865).

The spelling of 40746124161 in words is "forty billion, seven hundred forty-six million, one hundred twenty-four thousand, one hundred sixty-one".