2051323044 has 48 divisors (see below), whose sum is σ = 4826640000. Its totient is φ = 678053376.

The previous prime is 2051323019. The next prime is 2051323061. The reversal of 2051323044 is 4403231502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 803482 + ... + 806030.

It is an arithmetic number, because the mean of its divisors is an integer number (100555000).

Almost surely, 2^2051323044 is an apocalyptic number.

It is an amenable number.

2051323044 is an abundant number, since it is smaller than the sum of its proper divisors (2775316956).

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

2051323044 is a wasteful number, since it uses less digits than its factorization.

2051323044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3092 (or 3090 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 2051323044 is about 45291.5339108757. The cubic root of 2051323044 is about 1270.6073198391.

Adding to 2051323044 its reverse (4403231502), we get a palindrome (6454554546).

The spelling of 2051323044 in words is "two billion, fifty-one million, three hundred twenty-three thousand, forty-four".