201828218844884 has 48 divisors (see below), whose sum is σ = 358909924181760. Its totient is φ = 99295185753600.

The previous prime is 201828218844883. The next prime is 201828218844919. The reversal of 201828218844884 is 488448812828102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201828218844883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313877297 + ... + 314519655.

It is an arithmetic number, because the mean of its divisors is an integer number (7477290087120).

Almost surely, 2^{201828218844884} is an apocalyptic number.

It is an amenable number.

201828218844884 is a deficient number, since it is larger than the sum of its proper divisors (157081705336876).

201828218844884 is a wasteful number, since it uses less digits than its factorization.

201828218844884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647288 (or 647286 counting only the distinct ones).

The product of its (nonzero) digits is 134217728, while the sum is 68.

The spelling of 201828218844884 in words is "two hundred one trillion, eight hundred twenty-eight billion, two hundred eighteen million, eight hundred forty-four thousand, eight hundred eighty-four".