421042510 has 16 divisors (see below), whose sum is σ = 866144736. Its totient is φ = 144357408.

The previous prime is 421042507. The next prime is 421042549. The reversal of 421042510 is 15240124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3007377 + ... + 3007516.

It is an arithmetic number, because the mean of its divisors is an integer number (54134046).

Almost surely, 2^421042510 is an apocalyptic number.

421042510 is an abundant number, since it is smaller than the sum of its proper divisors (445102226).

421042510 is a wasteful number, since it uses less digits than its factorization.

421042510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6014907.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 421042510 is about 20519.3204078498. The cubic root of 421042510 is about 749.5063477405.

Adding to 421042510 its reverse (15240124), we get a palindrome (436282634).

The spelling of 421042510 in words is "four hundred twenty-one million, forty-two thousand, five hundred ten".