2418180644 has 36 divisors (see below), whose sum is σ = 4750513152. Its totient is φ = 1075776240.

The previous prime is 2418180643. The next prime is 2418180659. The reversal of 2418180644 is 4460818142.

It is a junction number, because it is equal to n+sod(n) for n = 2418180598 and 2418180607.

It is not an unprimeable number, because it can be changed into a prime (2418180643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30404 + ... + 75899.

Almost surely, 2^2418180644 is an apocalyptic number.

It is an amenable number.

2418180644 is a deficient number, since it is larger than the sum of its proper divisors (2332332508).

2418180644 is a wasteful number, since it uses less digits than its factorization.

2418180644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106376 (or 106363 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 38.

The square root of 2418180644 is about 49175.0001931876. Note that the first 3 decimals coincide. The cubic root of 2418180644 is about 1342.2381553509.

Adding to 2418180644 its reverse (4460818142), we get a palindrome (6878998786).

The spelling of 2418180644 in words is "two billion, four hundred eighteen million, one hundred eighty thousand, six hundred forty-four".