1144664260 has 24 divisors (see below), whose sum is σ = 2404497816. Its totient is φ = 457731840.

The previous prime is 1144664237. The next prime is 1144664293. The reversal of 1144664260 is 624664411.

It can be written as a sum of positive squares in 4 ways, for example, as 174715524 + 969948736 = 13218^2 + 31144^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 89890 + ... + 101830.

It is an arithmetic number, because the mean of its divisors is an integer number (100187409).

Almost surely, 2^1144664260 is an apocalyptic number.

1144664260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1144664260 is an abundant number, since it is smaller than the sum of its proper divisors (1259833556).

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

1144664260 is a wasteful number, since it uses less digits than its factorization.

1144664260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16743 (or 16741 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 1144664260 is about 33832.8872548590. The cubic root of 1144664260 is about 1046.0666931239.

The spelling of 1144664260 in words is "one billion, one hundred forty-four million, six hundred sixty-four thousand, two hundred sixty".