47663448840 has 448 divisors, whose sum is σ = 188757077760. Its totient is φ = 10598376960.

The previous prime is 47663448809. The next prime is 47663448883. The reversal of 47663448840 is 4884436674.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 7549285 + ... + 7555595.

Almost surely, 2^47663448840 is an apocalyptic number.

47663448840 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 47663448840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94378538880).

47663448840 is an abundant number, since it is smaller than the sum of its proper divisors (141093628920).

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

47663448840 is a wasteful number, since it uses less digits than its factorization.

47663448840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6384 (or 6365 counting only the distinct ones).

The product of its (nonzero) digits is 12386304, while the sum is 54.

The spelling of 47663448840 in words is "forty-seven billion, six hundred sixty-three million, four hundred forty-eight thousand, eight hundred forty".