42345404 has 6 divisors (see below), whose sum is σ = 74104464. Its totient is φ = 21172700.

The previous prime is 42345389. The next prime is 42345437. The reversal of 42345404 is 40454324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5293172 + ... + 5293179.

It is an arithmetic number, because the mean of its divisors is an integer number (12350744).

Almost surely, 2^42345404 is an apocalyptic number.

It is an amenable number.

42345404 is a deficient number, since it is larger than the sum of its proper divisors (31759060).

42345404 is a wasteful number, since it uses less digits than its factorization.

42345404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10586355 (or 10586353 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 42345404 is about 6507.3346310145. The cubic root of 42345404 is about 348.5529479523.

Adding to 42345404 its reverse (40454324), we get a palindrome (82799728).

The spelling of 42345404 in words is "forty-two million, three hundred forty-five thousand, four hundred four".