479639494656 has 448 divisors, whose sum is σ = 1694814796800. Its totient is φ = 131071868928.

The previous prime is 479639494627. The next prime is 479639494673. The reversal of 479639494656 is 656494936974.

479639494656 is a `hidden beast` number, since 4 + 7 + 96 + 39 + 49 + 465 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35603890 + ... + 35617358.

Almost surely, 2^479639494656 is an apocalyptic number.

479639494656 is a gapful number since it is divisible by the number (46) 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 479639494656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (847407398400).

479639494656 is an abundant number, since it is smaller than the sum of its proper divisors (1215175302144).

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

479639494656 is a wasteful number, since it uses less digits than its factorization.

479639494656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13534 (or 13504 counting only the distinct ones).

The product of its digits is 1058158080, while the sum is 72.

The spelling of 479639494656 in words is "four hundred seventy-nine billion, six hundred thirty-nine million, four hundred ninety-four thousand, six hundred fifty-six".