421344002 has 16 divisors (see below), whose sum is σ = 666289152. Its totient is φ = 199536960.

The previous prime is 421343999. The next prime is 421344013. The reversal of 421344002 is 200443124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69383 + ... + 75210.

It is an arithmetic number, because the mean of its divisors is an integer number (41643072).

Almost surely, 2^421344002 is an apocalyptic number.

421344002 is a deficient number, since it is larger than the sum of its proper divisors (244945150).

421344002 is a wasteful number, since it uses less digits than its factorization.

421344002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144673.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 421344002 is about 20526.6656327812. The cubic root of 421344002 is about 749.6852024070.

Adding to 421344002 its reverse (200443124), we get a palindrome (621787126).

The spelling of 421344002 in words is "four hundred twenty-one million, three hundred forty-four thousand, two".