2686252840 has 32 divisors (see below), whose sum is σ = 6087564000. Its totient is φ = 1066768704.

The previous prime is 2686252817. The next prime is 2686252843. The reversal of 2686252840 is 482526862.

It is a super-3 number, since 3×2686252840³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2686252843) 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, 236010 + ... + 247129.

It is an arithmetic number, because the mean of its divisors is an integer number (190236375).

Almost surely, 2^2686252840 is an apocalyptic number.

2686252840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2686252840 is an abundant number, since it is smaller than the sum of its proper divisors (3401311160).

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

2686252840 is a wasteful number, since it uses less digits than its factorization.

2686252840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483289 (or 483285 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 2686252840 is about 51829.0733083276. The cubic root of 2686252840 is about 1390.1093439163.

The spelling of 2686252840 in words is "two billion, six hundred eighty-six million, two hundred fifty-two thousand, eight hundred forty".