1420440104 has 16 divisors (see below), whose sum is σ = 2708467200. Its totient is φ = 698182192.

The previous prime is 1420440067. The next prime is 1420440127. The reversal of 1420440104 is 4010440241.

It is a happy number.

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, 1504232 + ... + 1505175.

It is an arithmetic number, because the mean of its divisors is an integer number (169279200).

Almost surely, 2^1420440104 is an apocalyptic number.

It is an amenable number.

1420440104 is a deficient number, since it is larger than the sum of its proper divisors (1288027096).

1420440104 is a wasteful number, since it uses less digits than its factorization.

1420440104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009472 (or 3009468 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1420440104 is about 37688.7264841889. The cubic root of 1420440104 is about 1124.1069730131.

Adding to 1420440104 its reverse (4010440241), we get a palindrome (5430880345).

The spelling of 1420440104 in words is "one billion, four hundred twenty million, four hundred forty thousand, one hundred four".