42503490 has 24 divisors (see below), whose sum is σ = 110509308. Its totient is φ = 11334240.

The previous prime is 42503477. The next prime is 42503497. The reversal of 42503490 is 9430524.

It can be written as a sum of positive squares in 2 ways, for example, as 35390601 + 7112889 = 5949^2 + 2667^2 .

It is not an unprimeable number, because it can be changed into a prime (42503497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236041 + ... + 236220.

Almost surely, 2^42503490 is an apocalyptic number.

42503490 is an abundant number, since it is smaller than the sum of its proper divisors (68005818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42503490 is a wasteful number, since it uses less digits than its factorization.

42503490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472274 (or 472271 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 42503490 is about 6519.4700704889. The cubic root of 42503490 is about 348.9861544631.

The spelling of 42503490 in words is "forty-two million, five hundred three thousand, four hundred ninety".