420412004 has 12 divisors (see below), whose sum is σ = 736077804. Its totient is φ = 210104064.

The previous prime is 420411973. The next prime is 420412021. The reversal of 420412004 is 400214024.

It can be written as a sum of positive squares in 2 ways, for example, as 87422500 + 332989504 = 9350^2 + 18248^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15797 + ... + 33020.

It is an arithmetic number, because the mean of its divisors is an integer number (61339817).

Almost surely, 2^420412004 is an apocalyptic number.

It is an amenable number.

420412004 is a deficient number, since it is larger than the sum of its proper divisors (315665800).

420412004 is a wasteful number, since it uses less digits than its factorization.

420412004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50974 (or 50972 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 420412004 is about 20503.9509363440. The cubic root of 420412004 is about 749.1320353113.

Adding to 420412004 its reverse (400214024), we get a palindrome (820626028).

The spelling of 420412004 in words is "four hundred twenty million, four hundred twelve thousand, four".