40631542562405 has 16 divisors (see below), whose sum is σ = 51634381103424. Its totient is φ = 30588171152640.

The previous prime is 40631542562393. The next prime is 40631542562407. The reversal of 40631542562405 is 50426524513604.

It is not a de Polignac number, because 40631542562405 - 2¹⁰ = 40631542561381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40631542562405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40631542562407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38462567 + ... + 39504836.

It is an arithmetic number, because the mean of its divisors is an integer number (3227148818964).

Almost surely, 2^{40631542562405} is an apocalyptic number.

It is an amenable number.

40631542562405 is a deficient number, since it is larger than the sum of its proper divisors (11002838541019).

40631542562405 is a wasteful number, since it uses less digits than its factorization.

40631542562405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77973556.

The product of its (nonzero) digits is 3456000, while the sum is 47.

The spelling of 40631542562405 in words is "forty trillion, six hundred thirty-one billion, five hundred forty-two million, five hundred sixty-two thousand, four hundred five".