405445714 has 16 divisors (see below), whose sum is σ = 634012416. Its totient is φ = 194238000.

The previous prime is 405445709. The next prime is 405445717. The reversal of 405445714 is 417544504.

It is a self number, because there is not a number n which added to its sum of digits gives 405445714.

It is not an unprimeable number, because it can be changed into a prime (405445717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26112 + ... + 38635.

It is an arithmetic number, because the mean of its divisors is an integer number (39625776).

Almost surely, 2^405445714 is an apocalyptic number.

405445714 is a deficient number, since it is larger than the sum of its proper divisors (228566702).

405445714 is a wasteful number, since it uses less digits than its factorization.

405445714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64881.

The product of its (nonzero) digits is 44800, while the sum is 34.

The square root of 405445714 is about 20135.6826057623. The cubic root of 405445714 is about 740.1349364354.

The spelling of 405445714 in words is "four hundred five million, four hundred forty-five thousand, seven hundred fourteen".