2857615456 has 48 divisors (see below), whose sum is σ = 5830196400. Its totient is φ = 1377105408.

The previous prime is 2857615451. The next prime is 2857615477. The reversal of 2857615456 is 6545167582.

It is a super-3 number, since 3×2857615456³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2857615451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594310 + ... + 599098.

It is an arithmetic number, because the mean of its divisors is an integer number (121462425).

Almost surely, 2^2857615456 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 2857615456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2915098200).

2857615456 is an abundant number, since it is smaller than the sum of its proper divisors (2972580944).

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

2857615456 is a wasteful number, since it uses less digits than its factorization.

2857615456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5471 (or 5463 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 49.

The square root of 2857615456 is about 53456.6689572031. The cubic root of 2857615456 is about 1419.0616454832.

The spelling of 2857615456 in words is "two billion, eight hundred fifty-seven million, six hundred fifteen thousand, four hundred fifty-six".