421035402 has 32 divisors (see below), whose sum is σ = 887400000. Its totient is φ = 132807168.

The previous prime is 421035389. The next prime is 421035443. The reversal of 421035402 is 204530124.

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, 140908 + ... + 143864.

It is an arithmetic number, because the mean of its divisors is an integer number (27731250).

Almost surely, 2^421035402 is an apocalyptic number.

421035402 is an abundant number, since it is smaller than the sum of its proper divisors (466364598).

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

421035402 is a wasteful number, since it uses less digits than its factorization.

421035402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 421035402 is about 20519.1472045015. The cubic root of 421035402 is about 749.5021300182.

Adding to 421035402 its reverse (204530124), we get a palindrome (625565526).

The spelling of 421035402 in words is "four hundred twenty-one million, thirty-five thousand, four hundred two".