404029049 has 4 divisors (see below), whose sum is σ = 404076900. Its totient is φ = 403981200.

The previous prime is 404029033. The next prime is 404029097. The reversal of 404029049 is 940920404.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 13690000 + 390339049 = 3700^2 + 19757^2 .

It is a cyclic number.

It is not a de Polignac number, because 404029049 - 2⁴ = 404029033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404029019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7502 + ... + 29399.

It is an arithmetic number, because the mean of its divisors is an integer number (101019225).

Almost surely, 2^404029049 is an apocalyptic number.

It is an amenable number.

404029049 is a deficient number, since it is larger than the sum of its proper divisors (47851).

404029049 is a wasteful number, since it uses less digits than its factorization.

404029049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47850.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 404029049 is about 20100.4738501360. The cubic root of 404029049 is about 739.2718970591.

The spelling of 404029049 in words is "four hundred four million, twenty-nine thousand, forty-nine".