14778554040 has 96 divisors (see below), whose sum is σ = 49052278080. Its totient is φ = 3857093376.

The previous prime is 14778554033. The next prime is 14778554083. The reversal of 14778554040 is 4045587741.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 419799 + ... + 453638.

It is an arithmetic number, because the mean of its divisors is an integer number (510961230).

Almost surely, 2^14778554040 is an apocalyptic number.

14778554040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14778554040 is an abundant number, since it is smaller than the sum of its proper divisors (34273724040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14778554040 is a wasteful number, since it uses less digits than its factorization.

14778554040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873501 (or 873494 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 45.

The spelling of 14778554040 in words is "fourteen billion, seven hundred seventy-eight million, five hundred fifty-four thousand, forty".