47263220928 has 448 divisors, whose sum is σ = 175705251840. Its totient is φ = 12100838400.

The previous prime is 47263220903. The next prime is 47263220941. The reversal of 47263220928 is 82902236274.

47263220928 is a `hidden beast` number, since 4 + 7 + 2 + 632 + 2 + 0 + 9 + 2 + 8 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9444475 + ... + 9449477.

Almost surely, 2^47263220928 is an apocalyptic number.

47263220928 is a gapful number since it is divisible by the number (48) 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 47263220928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87852625920).

47263220928 is an abundant number, since it is smaller than the sum of its proper divisors (128442030912).

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

47263220928 is a wasteful number, since it uses less digits than its factorization.

47263220928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5113 (or 5097 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 47263220928 in words is "forty-seven billion, two hundred sixty-three million, two hundred twenty thousand, nine hundred twenty-eight".