1149784488 has 24 divisors (see below), whose sum is σ = 3113999850. Its totient is φ = 383261472.

The previous prime is 1149784463. The next prime is 1149784543. The reversal of 1149784488 is 8844879411.

It can be written as a sum of positive squares in only one way, i.e., 717061284 + 432723204 = 26778^2 + 20802^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7984543 + ... + 7984686.

Almost surely, 2^1149784488 is an apocalyptic number.

1149784488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1149784488 is an abundant number, since it is smaller than the sum of its proper divisors (1964215362).

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

1149784488 is a wasteful number, since it uses less digits than its factorization.

1149784488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15969241 (or 15969234 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 54.

The square root of 1149784488 is about 33908.4722156573. The cubic root of 1149784488 is about 1047.6241028015.

The spelling of 1149784488 in words is "one billion, one hundred forty-nine million, seven hundred eighty-four thousand, four hundred eighty-eight".