2851552340 has 96 divisors (see below), whose sum is σ = 7412186880. Its totient is φ = 897325056.

The previous prime is 2851552331. The next prime is 2851552343. The reversal of 2851552340 is 432551582.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 2851552340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2851552343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 321404 + ... + 330156.

It is an arithmetic number, because the mean of its divisors is an integer number (77210280).

Almost surely, 2^2851552340 is an apocalyptic number.

2851552340 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 2851552340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3706093440).

2851552340 is an abundant number, since it is smaller than the sum of its proper divisors (4560634540).

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

2851552340 is a wasteful number, since it uses less digits than its factorization.

2851552340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8961 (or 8959 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 2851552340 is about 53399.9282771054. The cubic root of 2851552340 is about 1418.0573083839.

The spelling of 2851552340 in words is "two billion, eight hundred fifty-one million, five hundred fifty-two thousand, three hundred forty".