2857114440 has 48 divisors (see below), whose sum is σ = 9285623100. Its totient is φ = 761897088.

The previous prime is 2857114409. The next prime is 2857114457. The reversal of 2857114440 is 444117582.

It is a happy number.

2857114440 is a `hidden beast` number, since 2 + 8 + 571 + 1 + 44 + 40 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2683032804 + 174081636 = 51798^2 + 13194^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2857114395 and 2857114404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3967855 + ... + 3968574.

Almost surely, 2^2857114440 is an apocalyptic number.

2857114440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2857114440 is an abundant number, since it is smaller than the sum of its proper divisors (6428508660).

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

2857114440 is a wasteful number, since it uses less digits than its factorization.

2857114440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7936446 (or 7936439 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 2857114440 is about 53451.9825637927. The cubic root of 2857114440 is about 1418.9787075518.

The spelling of 2857114440 in words is "two billion, eight hundred fifty-seven million, one hundred fourteen thousand, four hundred forty".