42510210 has 32 divisors (see below), whose sum is σ = 106462080. Its totient is φ = 10843008.

The previous prime is 42510199. The next prime is 42510211. The reversal of 42510210 is 1201524.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 42510210.

It is not an unprimeable number, because it can be changed into a prime (42510211) 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, 30115 + ... + 31494.

It is an arithmetic number, because the mean of its divisors is an integer number (3326940).

Almost surely, 2^42510210 is an apocalyptic number.

42510210 is an abundant number, since it is smaller than the sum of its proper divisors (63951870).

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

42510210 is a wasteful number, since it uses less digits than its factorization.

42510210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61642.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 42510210 is about 6519.9854294316. The cubic root of 42510210 is about 349.0045456068.

Adding to 42510210 its reverse (1201524), we get a palindrome (43711734).

The spelling of 42510210 in words is "forty-two million, five hundred ten thousand, two hundred ten".