405246378332 has 12 divisors (see below), whose sum is σ = 709748970000. Its totient is φ = 202460958336.

The previous prime is 405246378241. The next prime is 405246378353. The reversal of 405246378332 is 233873642504.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40552088 + ... + 40562079.

It is an arithmetic number, because the mean of its divisors is an integer number (59145747500).

Almost surely, 2^405246378332 is an apocalyptic number.

It is an amenable number.

405246378332 is a deficient number, since it is larger than the sum of its proper divisors (304502591668).

405246378332 is a wasteful number, since it uses less digits than its factorization.

405246378332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81115420 (or 81115418 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 47.

The spelling of 405246378332 in words is "four hundred five billion, two hundred forty-six million, three hundred seventy-eight thousand, three hundred thirty-two".