42354490 has 16 divisors (see below), whose sum is σ = 76383648. Its totient is φ = 16909456.

The previous prime is 42354479. The next prime is 42354491. The reversal of 42354490 is 9445324.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42354491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1869 + ... + 9391.

It is an arithmetic number, because the mean of its divisors is an integer number (4773978).

Almost surely, 2^42354490 is an apocalyptic number.

42354490 is a deficient number, since it is larger than the sum of its proper divisors (34029158).

42354490 is a wasteful number, since it uses less digits than its factorization.

42354490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8093.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 42354490 is about 6508.0327288667. The cubic root of 42354490 is about 348.5778756918.

The spelling of 42354490 in words is "forty-two million, three hundred fifty-four thousand, four hundred ninety".