405963445 has 32 divisors (see below), whose sum is σ = 524261376. Its totient is φ = 301190400.

The previous prime is 405963419. The next prime is 405963521. The reversal of 405963445 is 544369504.

It is not a de Polignac number, because 405963445 - 2⁵ = 405963413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 405963398 and 405963407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 406687 + ... + 407683.

It is an arithmetic number, because the mean of its divisors is an integer number (16383168).

Almost surely, 2^405963445 is an apocalyptic number.

It is an amenable number.

405963445 is a deficient number, since it is larger than the sum of its proper divisors (118297931).

405963445 is a wasteful number, since it uses less digits than its factorization.

405963445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 405963445 is about 20148.5345620966. The cubic root of 405963445 is about 740.4498391042.

The spelling of 405963445 in words is "four hundred five million, nine hundred sixty-three thousand, four hundred forty-five".