1143473680 has 40 divisors (see below), whose sum is σ = 2676447000. Its totient is φ = 454315008.

The previous prime is 1143473677. The next prime is 1143473707. The reversal of 1143473680 is 863743411.

It can be written as a sum of positive squares in 4 ways, for example, as 67371264 + 1076102416 = 8208^2 + 32804^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36045 + ... + 59884.

It is an arithmetic number, because the mean of its divisors is an integer number (66911175).

Almost surely, 2^1143473680 is an apocalyptic number.

1143473680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1143473680 is an abundant number, since it is smaller than the sum of its proper divisors (1532973320).

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

1143473680 is a wasteful number, since it uses less digits than its factorization.

1143473680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96091 (or 96085 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1143473680 is about 33815.2876669710. The cubic root of 1143473680 is about 1045.7038915086.

The spelling of 1143473680 in words is "one billion, one hundred forty-three million, four hundred seventy-three thousand, six hundred eighty".