405023674 has 24 divisors (see below), whose sum is σ = 704056608. Its totient is φ = 173269440.

The previous prime is 405023653. The next prime is 405023677. The reversal of 405023674 is 476320504.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (405023677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25494 + ... + 38209.

It is an arithmetic number, because the mean of its divisors is an integer number (29335692).

Almost surely, 2^405023674 is an apocalyptic number.

405023674 is a deficient number, since it is larger than the sum of its proper divisors (299032934).

405023674 is a wasteful number, since it uses less digits than its factorization.

405023674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63750 (or 63733 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 405023674 is about 20125.1999741617. The cubic root of 405023674 is about 739.8780380935.

The spelling of 405023674 in words is "four hundred five million, twenty-three thousand, six hundred seventy-four".