404753545 has 16 divisors (see below), whose sum is σ = 570094848. Its totient is φ = 270043200.

The previous prime is 404753533. The next prime is 404753593. The reversal of 404753545 is 545357404.

It is not a de Polignac number, because 404753545 - 2⁷ = 404753417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154981 + ... + 157570.

It is an arithmetic number, because the mean of its divisors is an integer number (35630928).

Almost surely, 2^404753545 is an apocalyptic number.

It is an amenable number.

404753545 is a deficient number, since it is larger than the sum of its proper divisors (165341303).

404753545 is a wasteful number, since it uses less digits than its factorization.

404753545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312600.

The product of its (nonzero) digits is 168000, while the sum is 37.

The square root of 404753545 is about 20118.4876419675. The cubic root of 404753545 is about 739.7135152303.

The spelling of 404753545 in words is "four hundred four million, seven hundred fifty-three thousand, five hundred forty-five".