1478983680 has 384 divisors, whose sum is σ = 5520668400. Its totient is φ = 364904448.

The previous prime is 1478983669. The next prime is 1478983691. The reversal of 1478983680 is 863898741.

1478983680 is a `hidden beast` number, since 1 + 478 + 98 + 3 + 6 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (1478983669) and next prime (1478983691).

It is a tau number, because it is divible by the number of its divisors (384).

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, 25067491 + ... + 25067549.

Almost surely, 2^1478983680 is an apocalyptic number.

1478983680 is a gapful number since it is divisible by the number (10) 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 1478983680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2760334200).

1478983680 is an abundant number, since it is smaller than the sum of its proper divisors (4041684720).

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

1478983680 is an equidigital number, since it uses as much as digits as its factorization.

1478983680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 1478983680 is about 38457.5568646788. The cubic root of 1478983680 is about 1139.3429269816.

The spelling of 1478983680 in words is "one billion, four hundred seventy-eight million, nine hundred eighty-three thousand, six hundred eighty".