49320221382 has 24 divisors (see below), whose sum is σ = 110818276296. Its totient is φ = 16440073632.

The previous prime is 49320221371. The next prime is 49320221407. The reversal of 49320221382 is 28312202394.

49320221382 is a `hidden beast` number, since 49 + 320 + 2 + 213 + 82 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50740483 + ... + 50741454.

It is an arithmetic number, because the mean of its divisors is an integer number (4617428179).

Almost surely, 2^49320221382 is an apocalyptic number.

49320221382 is an abundant number, since it is smaller than the sum of its proper divisors (61498054914).

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

49320221382 is a wasteful number, since it uses less digits than its factorization.

49320221382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101481954 (or 101481942 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 49320221382 in words is "forty-nine billion, three hundred twenty million, two hundred twenty-one thousand, three hundred eighty-two".