1400799808 has 28 divisors (see below), whose sum is σ = 2784197632. Its totient is φ = 699269760.

The previous prime is 1400799787. The next prime is 1400799839. The reversal of 1400799808 is 8089970041.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23041 + ... + 57727.

Almost surely, 2^1400799808 is an apocalyptic number.

It is an amenable number.

1400799808 is a deficient number, since it is larger than the sum of its proper divisors (1383397824).

1400799808 is an equidigital number, since it uses as much as digits as its factorization.

1400799808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35330 (or 35320 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 1400799808 is about 37427.2602256697. The cubic root of 1400799808 is about 1118.9019339943.

The spelling of 1400799808 in words is "one billion, four hundred million, seven hundred ninety-nine thousand, eight hundred eight".