47821043382 has 32 divisors (see below), whose sum is σ = 109312065024. Its totient is φ = 13662302400.

The previous prime is 47821043363. The next prime is 47821043383. The reversal of 47821043382 is 28334012874.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47821043383) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1001082 + ... + 1047762.

It is an arithmetic number, because the mean of its divisors is an integer number (3416002032).

Almost surely, 2^47821043382 is an apocalyptic number.

47821043382 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

47821043382 is an abundant number, since it is smaller than the sum of its proper divisors (61491021642).

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

47821043382 is a wasteful number, since it uses less digits than its factorization.

47821043382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71084.

The product of its (nonzero) digits is 258048, while the sum is 42.

The spelling of 47821043382 in words is "forty-seven billion, eight hundred twenty-one million, forty-three thousand, three hundred eighty-two".