42464890 has 32 divisors (see below), whose sum is σ = 82736640. Its totient is φ = 15599424.

The previous prime is 42464843. The next prime is 42464893. The reversal of 42464890 is 9846424.

It is not an unprimeable number, because it can be changed into a prime (42464893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28791 + ... + 30229.

It is an arithmetic number, because the mean of its divisors is an integer number (2585520).

Almost surely, 2^42464890 is an apocalyptic number.

42464890 is a deficient number, since it is larger than the sum of its proper divisors (40271750).

42464890 is a wasteful number, since it uses less digits than its factorization.

42464890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 42464890 is about 6516.5090347517. The cubic root of 42464890 is about 348.8804772938.

The spelling of 42464890 in words is "forty-two million, four hundred sixty-four thousand, eight hundred ninety".