1143676480 has 112 divisors (see below), whose sum is σ = 2834274240. Its totient is φ = 439040000.

The previous prime is 1143676441. The next prime is 1143676487. The reversal of 1143676480 is 846763411.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (1143676487) 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, 2329035 + ... + 2329525.

It is an arithmetic number, because the mean of its divisors is an integer number (25306020).

Almost surely, 2^1143676480 is an apocalyptic number.

1143676480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143676480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1417137120).

1143676480 is an abundant number, since it is smaller than the sum of its proper divisors (1690597760).

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

1143676480 is a wasteful number, since it uses less digits than its factorization.

1143676480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 1143676480 is about 33818.2861777471. The cubic root of 1143676480 is about 1045.7657078894.

The spelling of 1143676480 in words is "one billion, one hundred forty-three million, six hundred seventy-six thousand, four hundred eighty".