404554242 has 16 divisors (see below), whose sum is σ = 810287712. Its totient is φ = 134654880.

The previous prime is 404554229. The next prime is 404554243. The reversal of 404554242 is 242455404.

It is not an unprimeable number, because it can be changed into a prime (404554243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44643 + ... + 52934.

It is an arithmetic number, because the mean of its divisors is an integer number (50642982).

Almost surely, 2^404554242 is an apocalyptic number.

404554242 is an abundant number, since it is smaller than the sum of its proper divisors (405733470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404554242 is a wasteful number, since it uses less digits than its factorization.

404554242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98273.

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 404554242 is about 20113.5338018957. The cubic root of 404554242 is about 739.5920822174.

The spelling of 404554242 in words is "four hundred four million, five hundred fifty-four thousand, two hundred forty-two".