405060344240631 has 24 divisors (see below), whose sum is σ = 571616550612720. Its totient is φ = 255102861556224.

The previous prime is 405060344240621. The next prime is 405060344240693. The reversal of 405060344240631 is 136042443060504.

It is not a de Polignac number, because 405060344240631 - 2¹⁵ = 405060344207863 is a prime.

It is a super-2 number, since 2×405060344240631² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405060344240621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 529386736 + ... + 530151333.

It is an arithmetic number, because the mean of its divisors is an integer number (23817356275530).

Almost surely, 2^{405060344240631} is an apocalyptic number.

405060344240631 is a deficient number, since it is larger than the sum of its proper divisors (166556206372089).

405060344240631 is a wasteful number, since it uses less digits than its factorization.

405060344240631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059538463 (or 1059538444 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 42.

The spelling of 405060344240631 in words is "four hundred five trillion, sixty billion, three hundred forty-four million, two hundred forty thousand, six hundred thirty-one".