2856695490 has 48 divisors (see below), whose sum is σ = 8102630016. Its totient is φ = 692532000.

The previous prime is 2856695423. The next prime is 2856695503. The reversal of 2856695490 is 945966582.

It is a happy number.

2856695490 is a `hidden beast` number, since 2 + 8 + 5 + 66 + 95 + 490 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1441786 + ... + 1443765.

It is an arithmetic number, because the mean of its divisors is an integer number (168804792).

Almost surely, 2^2856695490 is an apocalyptic number.

2856695490 is an abundant number, since it is smaller than the sum of its proper divisors (5245934526).

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

2856695490 is a wasteful number, since it uses less digits than its factorization.

2856695490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2885575 (or 2885572 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The square root of 2856695490 is about 53448.0634822254. The cubic root of 2856695490 is about 1418.9093473399.

The spelling of 2856695490 in words is "two billion, eight hundred fifty-six million, six hundred ninety-five thousand, four hundred ninety".