405845405674 has 8 divisors (see below), whose sum is σ = 608785495488. Its totient is φ = 202916907180.

The previous prime is 405845405653. The next prime is 405845405687. The reversal of 405845405674 is 476504548504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2809762 + ... + 2950669.

It is an arithmetic number, because the mean of its divisors is an integer number (76098186936).

Almost surely, 2^405845405674 is an apocalyptic number.

405845405674 is a deficient number, since it is larger than the sum of its proper divisors (202940089814).

405845405674 is a wasteful number, since it uses less digits than its factorization.

405845405674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795660.

The product of its (nonzero) digits is 10752000, while the sum is 52.

The spelling of 405845405674 in words is "four hundred five billion, eight hundred forty-five million, four hundred five thousand, six hundred seventy-four".