2857150890 has 48 divisors (see below), whose sum is σ = 8103921696. Its totient is φ = 692642400.

The previous prime is 2857150889. The next prime is 2857150903. The reversal of 2857150890 is 980517582.

It is a happy number.

2857150890 is a `hidden beast` number, since 2 + 8 + 57 + 1 + 508 + 90 = 666.

It is a super-2 number, since 2×2857150890² = 16326622416455584200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1442016 + ... + 1443995.

It is an arithmetic number, because the mean of its divisors is an integer number (168831702).

Almost surely, 2^2857150890 is an apocalyptic number.

2857150890 is an abundant number, since it is smaller than the sum of its proper divisors (5246770806).

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

2857150890 is a wasteful number, since it uses less digits than its factorization.

2857150890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2886035 (or 2886032 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 2857150890 is about 53452.3235229302. The cubic root of 2857150890 is about 1418.9847417931.

The spelling of 2857150890 in words is "two billion, eight hundred fifty-seven million, one hundred fifty thousand, eight hundred ninety".