7421400808 has 32 divisors (see below), whose sum is σ = 13983852960. Its totient is φ = 3692416320.

The previous prime is 7421400793. The next prime is 7421400863. The reversal of 7421400808 is 8080041247.

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, 1694910 + ... + 1699282.

It is an arithmetic number, because the mean of its divisors is an integer number (436995405).

Almost surely, 2^7421400808 is an apocalyptic number.

It is an amenable number.

7421400808 is a deficient number, since it is larger than the sum of its proper divisors (6562452152).

7421400808 is a wasteful number, since it uses less digits than its factorization.

7421400808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5377 (or 5373 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 34.

The square root of 7421400808 is about 86147.5525363315. The cubic root of 7421400808 is about 1950.5718951995.

The spelling of 7421400808 in words is "seven billion, four hundred twenty-one million, four hundred thousand, eight hundred eight".