405683590616 has 16 divisors (see below), whose sum is σ = 781215023040. Its totient is φ = 197359584480.

The previous prime is 405683590603. The next prime is 405683590633. The reversal of 405683590616 is 616095386504.

It is a happy number.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685276040 + ... + 685276631.

It is an arithmetic number, because the mean of its divisors is an integer number (48825938940).

Almost surely, 2^405683590616 is an apocalyptic number.

It is an amenable number.

405683590616 is a deficient number, since it is larger than the sum of its proper divisors (375531432424).

405683590616 is a wasteful number, since it uses less digits than its factorization.

405683590616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370552714 (or 1370552710 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 405683590616 in words is "four hundred five billion, six hundred eighty-three million, five hundred ninety thousand, six hundred sixteen".