1478414844 has 18 divisors (see below), whose sum is σ = 3737104280. Its totient is φ = 492804936.

The previous prime is 1478414837. The next prime is 1478414857. The reversal of 1478414844 is 4484148741.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 1478414844.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20533504 + ... + 20533575.

Almost surely, 2^1478414844 is an apocalyptic number.

It is an amenable number.

1478414844 is an abundant number, since it is smaller than the sum of its proper divisors (2258689436).

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

1478414844 is a wasteful number, since it uses less digits than its factorization.

1478414844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41067089 (or 41067084 counting only the distinct ones).

The product of its digits is 458752, while the sum is 45.

The square root of 1478414844 is about 38450.1605198210. The cubic root of 1478414844 is about 1139.1968396405.

The spelling of 1478414844 in words is "one billion, four hundred seventy-eight million, four hundred fourteen thousand, eight hundred forty-four".