42500810 has 16 divisors (see below), whose sum is σ = 83456352. Its totient is φ = 15454800.

The previous prime is 42500807. The next prime is 42500839. The reversal of 42500810 is 1800524.

It is a super-2 number, since 2×42500810² = 3612637701312200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193076 + ... + 193295.

It is an arithmetic number, because the mean of its divisors is an integer number (5216022).

Almost surely, 2^42500810 is an apocalyptic number.

42500810 is a deficient number, since it is larger than the sum of its proper divisors (40955542).

42500810 is a wasteful number, since it uses less digits than its factorization.

42500810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386389.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 42500810 is about 6519.2645290707. The cubic root of 42500810 is about 348.9788193592.

The spelling of 42500810 in words is "forty-two million, five hundred thousand, eight hundred ten".