405045046 has 8 divisors (see below), whose sum is σ = 694362960. Its totient is φ = 173590728.

The previous prime is 405044987. The next prime is 405045061. The reversal of 405045046 is 640540504.

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

It is a super-2 number, since 2×405045046² = 328122978578284232, which contains 22 as substring.

It is a congruent number.

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, 14465881 + ... + 14465908.

It is an arithmetic number, because the mean of its divisors is an integer number (86795370).

Almost surely, 2^405045046 is an apocalyptic number.

405045046 is a deficient number, since it is larger than the sum of its proper divisors (289317914).

405045046 is a wasteful number, since it uses less digits than its factorization.

405045046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28931798.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 405045046 is about 20125.7309432478. The cubic root of 405045046 is about 739.8910516499.

The spelling of 405045046 in words is "four hundred five million, forty-five thousand, forty-six".