1448733618 has 24 divisors (see below), whose sum is σ = 3181924668. Its totient is φ = 476295552.

The previous prime is 1448733589. The next prime is 1448733673. The reversal of 1448733618 is 8163378441.

It can be written as a sum of positive squares in 2 ways, for example, as 1350783009 + 97950609 = 36753^2 + 9897^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549955 + ... + 552582.

Almost surely, 2^1448733618 is an apocalyptic number.

1448733618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1448733618 is an abundant number, since it is smaller than the sum of its proper divisors (1733191050).

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

1448733618 is a wasteful number, since it uses less digits than its factorization.

1448733618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102618 (or 1102615 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 1448733618 is about 38062.2334867517. The cubic root of 1448733618 is about 1131.5215928674.

The spelling of 1448733618 in words is "one billion, four hundred forty-eight million, seven hundred thirty-three thousand, six hundred eighteen".