47281999320 has 128 divisors (see below), whose sum is σ = 165901824000. Its totient is φ = 11944920960.

The previous prime is 47281999279. The next prime is 47281999379. The reversal of 47281999320 is 2399918274.

47281999320 is a `hidden beast` number, since 472 + 81 + 9 + 9 + 93 + 2 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1131576 + ... + 1172615.

It is an arithmetic number, because the mean of its divisors is an integer number (1296108000).

Almost surely, 2^47281999320 is an apocalyptic number.

47281999320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47281999320 is an abundant number, since it is smaller than the sum of its proper divisors (118619824680).

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

47281999320 is a wasteful number, since it uses less digits than its factorization.

47281999320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2304230 (or 2304220 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 47281999320 in words is "forty-seven billion, two hundred eighty-one million, nine hundred ninety-nine thousand, three hundred twenty".