40085161501977 has 24 divisors (see below), whose sum is σ = 58107091783104. Its totient is φ = 26628229806624.

The previous prime is 40085161501967. The next prime is 40085161502039. The reversal of 40085161501977 is 77910516158004.

40085161501977 is a `hidden beast` number, since 4 + 0 + 0 + 8 + 5 + 1 + 61 + 501 + 9 + 77 = 666.

It is not a de Polignac number, because 40085161501977 - 2¹⁵ = 40085161469209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40085161501967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94059508 + ... + 94484714.

It is an arithmetic number, because the mean of its divisors is an integer number (2421128824296).

Almost surely, 2^{40085161501977} is an apocalyptic number.

It is an amenable number.

40085161501977 is a deficient number, since it is larger than the sum of its proper divisors (18021930281127).

40085161501977 is a wasteful number, since it uses less digits than its factorization.

40085161501977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462509 (or 462506 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 54.

The spelling of 40085161501977 in words is "forty trillion, eighty-five billion, one hundred sixty-one million, five hundred one thousand, nine hundred seventy-seven".