405696423846 has 48 divisors (see below), whose sum is σ = 951070317120. Its totient is φ = 115028418960.

The previous prime is 405696423833. The next prime is 405696423901. The reversal of 405696423846 is 648324696504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5228356 + ... + 5305383.

It is an arithmetic number, because the mean of its divisors is an integer number (19813964940).

Almost surely, 2^405696423846 is an apocalyptic number.

405696423846 is an abundant number, since it is smaller than the sum of its proper divisors (545373893274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405696423846 is a wasteful number, since it uses less digits than its factorization.

405696423846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533889 (or 10533882 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 57.

The spelling of 405696423846 in words is "four hundred five billion, six hundred ninety-six million, four hundred twenty-three thousand, eight hundred forty-six".