2246730640 has 160 divisors (see below), whose sum is σ = 6534224640. Its totient is φ = 697958400.

The previous prime is 2246730623. The next prime is 2246730671. The reversal of 2246730640 is 460376422.

It is a junction number, because it is equal to n+sod(n) for n = 2246730596 and 2246730605.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3504720 + ... + 3505360.

It is an arithmetic number, because the mean of its divisors is an integer number (40838904).

Almost surely, 2^2246730640 is an apocalyptic number.

2246730640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2246730640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3267112320).

2246730640 is an abundant number, since it is smaller than the sum of its proper divisors (4287494000).

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

2246730640 is a wasteful number, since it uses less digits than its factorization.

2246730640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241 (or 1235 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 2246730640 is about 47399.6902943469. The cubic root of 2246730640 is about 1309.7357118884.

The spelling of 2246730640 in words is "two billion, two hundred forty-six million, seven hundred thirty thousand, six hundred forty".