479663280 has 120 divisors (see below), whose sum is σ = 1648437648. Its totient is φ = 124927488.

The previous prime is 479663269. The next prime is 479663281. The reversal of 479663280 is 82366974.

479663280 is a `hidden beast` number, since 4 + 7 + 9 + 6 + 632 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (479663281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23214 + ... + 38706.

Almost surely, 2^479663280 is an apocalyptic number.

479663280 is a gapful number since it is divisible by the number (40) 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 479663280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (824218824).

479663280 is an abundant number, since it is smaller than the sum of its proper divisors (1168774368).

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

479663280 is a wasteful number, since it uses less digits than its factorization.

479663280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15555 (or 15546 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 479663280 is about 21901.2164045744. The cubic root of 479663280 is about 782.7904000956.

The spelling of 479663280 in words is "four hundred seventy-nine million, six hundred sixty-three thousand, two hundred eighty".