40844495823931 has 2 divisors, whose sum is σ = 40844495823932. Its totient is φ = 40844495823930.

The previous prime is 40844495823917. The next prime is 40844495823973. The reversal of 40844495823931 is 13932859444804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40844495823931 - 2⁹ = 40844495823419 is a prime.

It is a super-2 number, since 2×40844495823931² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40844495823731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20422247911965 + 20422247911966.

It is an arithmetic number, because the mean of its divisors is an integer number (20422247911966).

Almost surely, 2^{40844495823931} is an apocalyptic number.

40844495823931 is a deficient number, since it is larger than the sum of its proper divisors (1).

40844495823931 is an equidigital number, since it uses as much as digits as its factorization.

40844495823931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 119439360, while the sum is 64.

The spelling of 40844495823931 in words is "forty trillion, eight hundred forty-four billion, four hundred ninety-five million, eight hundred twenty-three thousand, nine hundred thirty-one".