405672244 has 12 divisors (see below), whose sum is σ = 710385984. Its totient is φ = 202704824.

The previous prime is 405672217. The next prime is 405672251. The reversal of 405672244 is 442276504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25702 + ... + 38365.

It is an arithmetic number, because the mean of its divisors is an integer number (59198832).

Almost surely, 2^405672244 is an apocalyptic number.

It is an amenable number.

405672244 is a deficient number, since it is larger than the sum of its proper divisors (304713740).

405672244 is a wasteful number, since it uses less digits than its factorization.

405672244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65654 (or 65652 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 405672244 is about 20141.3069089372. The cubic root of 405672244 is about 740.2727531193.

The spelling of 405672244 in words is "four hundred five million, six hundred seventy-two thousand, two hundred forty-four".