42508002 has 32 divisors (see below), whose sum is σ = 89735040. Its totient is φ = 13397120.

The previous prime is 42507991. The next prime is 42508049. The reversal of 42508002 is 20080524.

It is a self number, because there is not a number n which added to its sum of digits gives 42508002.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10552 + ... + 14012.

It is an arithmetic number, because the mean of its divisors is an integer number (2804220).

Almost surely, 2^42508002 is an apocalyptic number.

42508002 is an abundant number, since it is smaller than the sum of its proper divisors (47227038).

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

42508002 is a wasteful number, since it uses less digits than its factorization.

42508002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 42508002 is about 6519.8161017010. The cubic root of 42508002 is about 348.9985030163.

Adding to 42508002 its reverse (20080524), we get a palindrome (62588526).

The spelling of 42508002 in words is "forty-two million, five hundred eight thousand, two".