2151008244 has 96 divisors (see below), whose sum is σ = 6952780800. Its totient is φ = 558701280.

The previous prime is 2151008239. The next prime is 2151008273. The reversal of 2151008244 is 4428001512.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 121014 + ... + 137645.

It is an arithmetic number, because the mean of its divisors is an integer number (72424800).

Almost surely, 2^2151008244 is an apocalyptic number.

It is an amenable number.

2151008244 is an abundant number, since it is smaller than the sum of its proper divisors (4801772556).

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

2151008244 is a wasteful number, since it uses less digits than its factorization.

2151008244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258690 (or 258682 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 2151008244 is about 46378.9633778074. The cubic root of 2151008244 is about 1290.8646015644.

Adding to 2151008244 its reverse (4428001512), we get a palindrome (6579009756).

The spelling of 2151008244 in words is "two billion, one hundred fifty-one million, eight thousand, two hundred forty-four".