421424510 has 32 divisors (see below), whose sum is σ = 835924320. Its totient is φ = 151982208.

The previous prime is 421424483. The next prime is 421424587. The reversal of 421424510 is 15424124.

It is a congruent number.

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, 32105 + ... + 43284.

It is an arithmetic number, because the mean of its divisors is an integer number (26122635).

Almost surely, 2^421424510 is an apocalyptic number.

421424510 is a deficient number, since it is larger than the sum of its proper divisors (414499810).

421424510 is a wasteful number, since it uses less digits than its factorization.

421424510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75452.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 421424510 is about 20528.6265979972. The cubic root of 421424510 is about 749.7329478851.

Adding to 421424510 its reverse (15424124), we get a palindrome (436848634).

The spelling of 421424510 in words is "four hundred twenty-one million, four hundred twenty-four thousand, five hundred ten".