2280247140 has 48 divisors (see below), whose sum is σ = 6662291328. Its totient is φ = 581627904.

The previous prime is 2280247139. The next prime is 2280247183. The reversal of 2280247140 is 417420822.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 2280247098 and 2280247107.

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, 824797 + ... + 827556.

It is an arithmetic number, because the mean of its divisors is an integer number (138797736).

Almost surely, 2^2280247140 is an apocalyptic number.

2280247140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2280247140 is an abundant number, since it is smaller than the sum of its proper divisors (4382044188).

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

2280247140 is a wasteful number, since it uses less digits than its factorization.

2280247140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1652388 (or 1652386 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 2280247140 is about 47751.9333640011. The cubic root of 2280247140 is about 1316.2164265897.

Adding to 2280247140 its reverse (417420822), we get a palindrome (2697667962).

The spelling of 2280247140 in words is "two billion, two hundred eighty million, two hundred forty-seven thousand, one hundred forty".