2051275264 has 160 divisors (see below), whose sum is σ = 4571582400. Its totient is φ = 915701760.

The previous prime is 2051275229. The next prime is 2051275277. The reversal of 2051275264 is 4625721502.

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, 14757307 + ... + 14757445.

It is an arithmetic number, because the mean of its divisors is an integer number (28572390).

Almost surely, 2^2051275264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2051275264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2285791200).

2051275264 is an abundant number, since it is smaller than the sum of its proper divisors (2520307136).

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

2051275264 is a wasteful number, since it uses less digits than its factorization.

2051275264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 2051275264 is about 45291.0064361568. The cubic root of 2051275264 is about 1270.5974546468.

Adding to 2051275264 its reverse (4625721502), we get a palindrome (6676996766).

The spelling of 2051275264 in words is "two billion, fifty-one million, two hundred seventy-five thousand, two hundred sixty-four".