40655110631 has 2 divisors, whose sum is σ = 40655110632. Its totient is φ = 40655110630.

The previous prime is 40655110621. The next prime is 40655110633. The reversal of 40655110631 is 13601155604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40655110631 - 2⁶ = 40655110567 is a prime.

It is a super-2 number, since 2×40655110631² (a number of 22 digits) contains 22 as substring.

Together with 40655110633, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40655110633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20327555315 + 20327555316.

It is an arithmetic number, because the mean of its divisors is an integer number (20327555316).

Almost surely, 2^40655110631 is an apocalyptic number.

40655110631 is a deficient number, since it is larger than the sum of its proper divisors (1).

40655110631 is an equidigital number, since it uses as much as digits as its factorization.

40655110631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 40655110631 in words is "forty billion, six hundred fifty-five million, one hundred ten thousand, six hundred thirty-one".