2086645260 has 48 divisors (see below), whose sum is σ = 6677266176. Its totient is φ = 476947392.

The previous prime is 2086645243. The next prime is 2086645277. The reversal of 2086645260 is 625466802.

It is an interprime number because it is at equal distance from previous prime (2086645243) and next prime (2086645277).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2483682 + ... + 2484521.

It is an arithmetic number, because the mean of its divisors is an integer number (139109712).

Almost surely, 2^2086645260 is an apocalyptic number.

2086645260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2086645260 is an abundant number, since it is smaller than the sum of its proper divisors (4590620916).

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

2086645260 is a wasteful number, since it uses less digits than its factorization.

2086645260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968222 (or 4968220 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 2086645260 is about 45679.8123901576. The cubic root of 2086645260 is about 1277.8588185077.

The spelling of 2086645260 in words is "two billion, eighty-six million, six hundred forty-five thousand, two hundred sixty".