42294404 has 12 divisors (see below), whose sum is σ = 76015884. Its totient is φ = 20575584.

The previous prime is 42294397. The next prime is 42294409. The reversal of 42294404 is 40449224.

It can be written as a sum of positive squares in 2 ways, for example, as 16386304 + 25908100 = 4048^2 + 5090^2 .

It is not an unprimeable number, because it can be changed into a prime (42294409) 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, 142739 + ... + 143034.

It is an arithmetic number, because the mean of its divisors is an integer number (6334657).

Almost surely, 2^42294404 is an apocalyptic number.

It is an amenable number.

42294404 is a deficient number, since it is larger than the sum of its proper divisors (33721480).

42294404 is a wasteful number, since it uses less digits than its factorization.

42294404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285814 (or 285812 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 42294404 is about 6503.4147953210. The cubic root of 42294404 is about 348.4129615556.

The spelling of 42294404 in words is "forty-two million, two hundred ninety-four thousand, four hundred four".