404542070 has 16 divisors (see below), whose sum is σ = 731445120. Its totient is φ = 161090304.

The previous prime is 404542063. The next prime is 404542097. The reversal of 404542070 is 70245404.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88475 + ... + 92934.

It is an arithmetic number, because the mean of its divisors is an integer number (45715320).

Almost surely, 2^404542070 is an apocalyptic number.

404542070 is a deficient number, since it is larger than the sum of its proper divisors (326903050).

404542070 is a wasteful number, since it uses less digits than its factorization.

404542070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181639.

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 404542070 is about 20113.2312172858. The cubic root of 404542070 is about 739.5846646664.

Adding to 404542070 its reverse (70245404), we get a palindrome (474787474).

It can be divided in two parts, 40454 and 2070, that added together give a palindrome (42524).

The spelling of 404542070 in words is "four hundred four million, five hundred forty-two thousand, seventy".