40161045211 has 32 divisors (see below), whose sum is σ = 46991024640. Its totient is φ = 33615648000.

The previous prime is 40161045203. The next prime is 40161045227. The reversal of 40161045211 is 11254016104.

It is a cyclic number.

It is not a de Polignac number, because 40161045211 - 2³ = 40161045203 is a prime.

It is a super-2 number, since 2×40161045211² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40161048211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49519996 + ... + 49520806.

It is an arithmetic number, because the mean of its divisors is an integer number (1468469520).

Almost surely, 2^40161045211 is an apocalyptic number.

40161045211 is a deficient number, since it is larger than the sum of its proper divisors (6829979429).

40161045211 is a wasteful number, since it uses less digits than its factorization.

40161045211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795.

The product of its (nonzero) digits is 960, while the sum is 25.

The spelling of 40161045211 in words is "forty billion, one hundred sixty-one million, forty-five thousand, two hundred eleven".