40923208531 has 32 divisors (see below), whose sum is σ = 44335019520. Its totient is φ = 37695974400.

The previous prime is 40923208511. The next prime is 40923208561. The reversal of 40923208531 is 13580232904.

It is a cyclic number.

It is not a de Polignac number, because 40923208531 - 2¹⁵ = 40923175763 is a prime.

It is a super-2 number, since 2×40923208531² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (40923208511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13782015 + ... + 13784983.

It is an arithmetic number, because the mean of its divisors is an integer number (1385469360).

Almost surely, 2^40923208531 is an apocalyptic number.

40923208531 is a deficient number, since it is larger than the sum of its proper divisors (3411810989).

40923208531 is a wasteful number, since it uses less digits than its factorization.

40923208531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3295.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 40923208531 in words is "forty billion, nine hundred twenty-three million, two hundred eight thousand, five hundred thirty-one".