1478865912 has 128 divisors (see below), whose sum is σ = 4043520000. Its totient is φ = 449003520.

The previous prime is 1478865889. The next prime is 1478865953. The reversal of 1478865912 is 2195688741.

1478865912 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3293464 + ... + 3293912.

It is an arithmetic number, because the mean of its divisors is an integer number (31590000).

Almost surely, 2^1478865912 is an apocalyptic number.

1478865912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1478865912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2021760000).

1478865912 is an abundant number, since it is smaller than the sum of its proper divisors (2564654088).

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

1478865912 is a wasteful number, since it uses less digits than its factorization.

1478865912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741 (or 737 counting only the distinct ones).

The product of its digits is 967680, while the sum is 51.

The square root of 1478865912 is about 38456.0256916910. The cubic root of 1478865912 is about 1139.3126851110.

The spelling of 1478865912 in words is "one billion, four hundred seventy-eight million, eight hundred sixty-five thousand, nine hundred twelve".