1518022448 has 40 divisors (see below), whose sum is σ = 3103596000. Its totient is φ = 717837824.

The previous prime is 1518022447. The next prime is 1518022453. The reversal of 1518022448 is 8442208151.

It is not an unprimeable number, because it can be changed into a prime (1518022447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9578 + ... + 55926.

It is an arithmetic number, because the mean of its divisors is an integer number (77589900).

Almost surely, 2^1518022448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1518022448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1551798000).

1518022448 is an abundant number, since it is smaller than the sum of its proper divisors (1585573552).

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

1518022448 is a wasteful number, since it uses less digits than its factorization.

1518022448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46469 (or 46463 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 35.

The square root of 1518022448 is about 38961.8075556050. The cubic root of 1518022448 is about 1149.2805703150.

The spelling of 1518022448 in words is "one billion, five hundred eighteen million, twenty-two thousand, four hundred forty-eight".