420410344 has 32 divisors (see below), whose sum is σ = 814947840. Its totient is φ = 203112000.

The previous prime is 420410311. The next prime is 420410369. The reversal of 420410344 is 443014024.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.

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, 321997 + ... + 323299.

It is an arithmetic number, because the mean of its divisors is an integer number (25467120).

Almost surely, 2^420410344 is an apocalyptic number.

It is an amenable number.

420410344 is a deficient number, since it is larger than the sum of its proper divisors (394537496).

420410344 is a wasteful number, since it uses less digits than its factorization.

420410344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641 (or 2637 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 420410344 is about 20503.9104563008. The cubic root of 420410344 is about 749.1310493255.

Adding to 420410344 its reverse (443014024), we get a palindrome (863424368).

The spelling of 420410344 in words is "four hundred twenty million, four hundred ten thousand, three hundred forty-four".