1149467264 has 128 divisors (see below), whose sum is σ = 2584353600. Its totient is φ = 504832000.

The previous prime is 1149467261. The next prime is 1149467269. The reversal of 1149467264 is 4627649411.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (1149467261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8390204 + ... + 8390340.

Almost surely, 2^1149467264 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 1149467264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1292176800).

1149467264 is an abundant number, since it is smaller than the sum of its proper divisors (1434886336).

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

1149467264 is a wasteful number, since it uses less digits than its factorization.

1149467264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 310 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 1149467264 is about 33903.7942419429. The cubic root of 1149467264 is about 1047.5277479107.

The spelling of 1149467264 in words is "one billion, one hundred forty-nine million, four hundred sixty-seven thousand, two hundred sixty-four".