40959872541 has 24 divisors (see below), whose sum is σ = 69797471744. Its totient is φ = 22650619680.

The previous prime is 40959872533. The next prime is 40959872549. The reversal of 40959872541 is 14527895904.

It is a happy number.

40959872541 is a `hidden beast` number, since 4 + 0 + 9 + 5 + 98 + 7 + 2 + 541 = 666.

It is an interprime number because it is at equal distance from previous prime (40959872533) and next prime (40959872549).

It is not a de Polignac number, because 40959872541 - 2³ = 40959872533 is a prime.

It is a super-2 number, since 2×40959872541² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40959872549) 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, 10484446 + ... + 10488351.

Almost surely, 2^40959872541 is an apocalyptic number.

It is an amenable number.

40959872541 is a deficient number, since it is larger than the sum of its proper divisors (28837599203).

40959872541 is a wasteful number, since it uses less digits than its factorization.

40959872541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20972841 (or 20972838 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 40959872541 in words is "forty billion, nine hundred fifty-nine million, eight hundred seventy-two thousand, five hundred forty-one".