42504465 has 16 divisors (see below), whose sum is σ = 69023808. Its totient is φ = 22330176.

The previous prime is 42504433. The next prime is 42504479. The reversal of 42504465 is 56440524.

It is not a de Polignac number, because 42504465 - 2⁵ = 42504433 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20142 + ... + 22151.

It is an arithmetic number, because the mean of its divisors is an integer number (4313988).

Almost surely, 2^42504465 is an apocalyptic number.

It is an amenable number.

42504465 is a deficient number, since it is larger than the sum of its proper divisors (26519343).

42504465 is a wasteful number, since it uses less digits than its factorization.

42504465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42368.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 42504465 is about 6519.5448460763. The cubic root of 42504465 is about 348.9888229413.

Adding to 42504465 its reverse (56440524), we get a palindrome (98944989).

The spelling of 42504465 in words is "forty-two million, five hundred four thousand, four hundred sixty-five".