40930105931 has 32 divisors (see below), whose sum is σ = 49350470400. Its totient is φ = 33454270080.

The previous prime is 40930105859. The next prime is 40930105939. The reversal of 40930105931 is 13950103904.

It is a de Polignac number, because none of the positive numbers 2^k-40930105931 is a prime.

It is a super-2 number, since 2×40930105931² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40930105891 and 40930105900.

It is not an unprimeable number, because it can be changed into a prime (40930105939) 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, 897380 + ... + 941886.

It is an arithmetic number, because the mean of its divisors is an integer number (1542202200).

Almost surely, 2^40930105931 is an apocalyptic number.

40930105931 is a deficient number, since it is larger than the sum of its proper divisors (8420364469).

40930105931 is a wasteful number, since it uses less digits than its factorization.

40930105931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44699.

The product of its (nonzero) digits is 14580, while the sum is 35.

The spelling of 40930105931 in words is "forty billion, nine hundred thirty million, one hundred five thousand, nine hundred thirty-one".