2806231240 has 64 divisors (see below), whose sum is σ = 6373523520. Its totient is φ = 1111968000.

The previous prime is 2806231223. The next prime is 2806231247. The reversal of 2806231240 is 421326082.

It is a junction number, because it is equal to n+sod(n) for n = 2806231199 and 2806231208.

It is not an unprimeable number, because it can be changed into a prime (2806231247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2395855 + ... + 2397025.

It is an arithmetic number, because the mean of its divisors is an integer number (99586305).

Almost surely, 2^2806231240 is an apocalyptic number.

2806231240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2806231240 is an abundant number, since it is smaller than the sum of its proper divisors (3567292280).

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

2806231240 is a wasteful number, since it uses less digits than its factorization.

2806231240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694 (or 1690 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2806231240 is about 52973.8731829191. The cubic root of 2806231240 is about 1410.5045291361.

The spelling of 2806231240 in words is "two billion, eight hundred six million, two hundred thirty-one thousand, two hundred forty".