201996444828 has 48 divisors (see below), whose sum is σ = 480348610560. Its totient is φ = 66043758144.

The previous prime is 201996444823. The next prime is 201996444841. The reversal of 201996444828 is 828444699102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201996444823) 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, 2405413 + ... + 2487971.

It is an arithmetic number, because the mean of its divisors is an integer number (10007262720).

Almost surely, 2^201996444828 is an apocalyptic number.

It is an amenable number.

201996444828 is an abundant number, since it is smaller than the sum of its proper divisors (278352165732).

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

201996444828 is a wasteful number, since it uses less digits than its factorization.

201996444828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86466 (or 86464 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 57.

The spelling of 201996444828 in words is "two hundred one billion, nine hundred ninety-six million, four hundred forty-four thousand, eight hundred twenty-eight".