2151043044 has 12 divisors (see below), whose sum is σ = 5019100464. Its totient is φ = 717014344.

The previous prime is 2151043021. The next prime is 2151043079. The reversal of 2151043044 is 4403401512.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89626782 + ... + 89626805.

It is an arithmetic number, because the mean of its divisors is an integer number (418258372).

Almost surely, 2^2151043044 is an apocalyptic number.

It is an amenable number.

2151043044 is an abundant number, since it is smaller than the sum of its proper divisors (2868057420).

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

2151043044 is a wasteful number, since it uses less digits than its factorization.

2151043044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179253594 (or 179253592 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2151043044 is about 46379.3385463829. The cubic root of 2151043044 is about 1290.8715629271.

Adding to 2151043044 its reverse (4403401512), we get a palindrome (6554444556).

The spelling of 2151043044 in words is "two billion, one hundred fifty-one million, forty-three thousand, forty-four".