2851157760 has 144 divisors (see below), whose sum is σ = 9933840000. Its totient is φ = 691179520.

The previous prime is 2851157677. The next prime is 2851157779. The reversal of 2851157760 is 677511582.

It is a congruent number.

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, 8491 + ... + 75989.

It is an arithmetic number, because the mean of its divisors is an integer number (68985000).

Almost surely, 2^2851157760 is an apocalyptic number.

2851157760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2851157760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4966920000).

2851157760 is an abundant number, since it is smaller than the sum of its proper divisors (7082682240).

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

2851157760 is a wasteful number, since it uses less digits than its factorization.

2851157760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67534 (or 67520 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 42.

The square root of 2851157760 is about 53396.2335750379. The cubic root of 2851157760 is about 1417.9918980627.

The spelling of 2851157760 in words is "two billion, eight hundred fifty-one million, one hundred fifty-seven thousand, seven hundred sixty".