1474446816 has 144 divisors (see below), whose sum is σ = 4489430400. Its totient is φ = 457622784.

The previous prime is 1474446811. The next prime is 1474446821. The reversal of 1474446816 is 6186444741.

1474446816 is a `hidden beast` number, since 147 + 44 + 468 + 1 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (1474446811) and next prime (1474446821).

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1474446811) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 320565 + ... + 325131.

It is an arithmetic number, because the mean of its divisors is an integer number (31176600).

Almost surely, 2^1474446816 is an apocalyptic number.

1474446816 is a gapful number since it is divisible by the number (16) 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 1474446816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2244715200).

1474446816 is an abundant number, since it is smaller than the sum of its proper divisors (3014983584).

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

1474446816 is a wasteful number, since it uses less digits than its factorization.

1474446816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4661 (or 4650 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 1474446816 is about 38398.5262217185. The cubic root of 1474446816 is about 1138.1767346277.

The spelling of 1474446816 in words is "one billion, four hundred seventy-four million, four hundred forty-six thousand, eight hundred sixteen".