1420858408 has 32 divisors (see below), whose sum is σ = 2710008000. Its totient is φ = 698277888.

The previous prime is 1420858391. The next prime is 1420858427. The reversal of 1420858408 is 8048580241.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126760 + ... + 137512.

It is an arithmetic number, because the mean of its divisors is an integer number (84687750).

Almost surely, 2^1420858408 is an apocalyptic number.

It is an amenable number.

1420858408 is a deficient number, since it is larger than the sum of its proper divisors (1289149592).

1420858408 is a wasteful number, since it uses less digits than its factorization.

1420858408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11041 (or 11037 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

The square root of 1420858408 is about 37694.2755335608. The cubic root of 1420858408 is about 1124.2173078996.

The spelling of 1420858408 in words is "one billion, four hundred twenty million, eight hundred fifty-eight thousand, four hundred eight".