42340490 has 8 divisors (see below), whose sum is σ = 76212900. Its totient is φ = 16936192.

The previous prime is 42340477. The next prime is 42340537. The reversal of 42340490 is 9404324.

It can be written as a sum of positive squares in 2 ways, for example, as 38328481 + 4012009 = 6191^2 + 2003^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2117015 + ... + 2117034.

Almost surely, 2^42340490 is an apocalyptic number.

42340490 is a deficient number, since it is larger than the sum of its proper divisors (33872410).

42340490 is a wasteful number, since it uses less digits than its factorization.

42340490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234056.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42340490 is about 6506.9570461161. The cubic root of 42340490 is about 348.5394647460.

The spelling of 42340490 in words is "forty-two million, three hundred forty thousand, four hundred ninety".