14778040408 has 32 divisors (see below), whose sum is σ = 29004881760. Its totient is φ = 7045434880.

The previous prime is 14778040397. The next prime is 14778040469. The reversal of 14778040408 is 80404087741.

It is a congruent number.

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, 68353 + ... + 185008.

It is an arithmetic number, because the mean of its divisors is an integer number (906402555).

Almost surely, 2^14778040408 is an apocalyptic number.

It is an amenable number.

14778040408 is a deficient number, since it is larger than the sum of its proper divisors (14226841352).

14778040408 is a wasteful number, since it uses less digits than its factorization.

14778040408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253707 (or 253703 counting only the distinct ones).

The product of its (nonzero) digits is 200704, while the sum is 43.

The spelling of 14778040408 in words is "fourteen billion, seven hundred seventy-eight million, forty thousand, four hundred eight".