1478664000 has 336 divisors, whose sum is σ = 5773375296. Its totient is φ = 358272000.

The previous prime is 1478663987. The next prime is 1478664017. The reversal of 1478664000 is 4668741.

1478664000 is a `hidden beast` number, since 1 + 4 + 7 + 8 + 6 + 640 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 791067 + ... + 792933.

Almost surely, 2^1478664000 is an apocalyptic number.

1478664000 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 1478664000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2886687648).

1478664000 is an abundant number, since it is smaller than the sum of its proper divisors (4294711296).

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

1478664000 is a wasteful number, since it uses less digits than its factorization.

1478664000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1478664000 is about 38453.4003697982. The cubic root of 1478664000 is about 1139.2608320049.

The spelling of 1478664000 in words is "one billion, four hundred seventy-eight million, six hundred sixty-four thousand".