42304404 has 12 divisors (see below), whose sum is σ = 98710304. Its totient is φ = 14101464.

The previous prime is 42304391. The next prime is 42304439. The reversal of 42304404 is 40440324.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762672 + ... + 1762695.

Almost surely, 2^42304404 is an apocalyptic number.

It is an amenable number.

42304404 is an abundant number, since it is smaller than the sum of its proper divisors (56405900).

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

42304404 is a wasteful number, since it uses less digits than its factorization.

42304404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3525374 (or 3525372 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 42304404 is about 6504.1835767450. The cubic root of 42304404 is about 348.4404187346.

Adding to 42304404 its reverse (40440324), we get a palindrome (82744728).

The spelling of 42304404 in words is "forty-two million, three hundred four thousand, four hundred four".