1233444480 has 64 divisors (see below), whose sum is σ = 3931610400. Its totient is φ = 328918016.

The previous prime is 1233444479. The next prime is 1233444497. The reversal of 1233444480 is 844443321.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319290 + ... + 323129.

Almost surely, 2^1233444480 is an apocalyptic number.

1233444480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1233444480 is an abundant number, since it is smaller than the sum of its proper divisors (2698165920).

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

1233444480 is an equidigital number, since it uses as much as digits as its factorization.

1233444480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642441 (or 642429 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 1233444480 is about 35120.4282434027. The cubic root of 1233444480 is about 1072.4404887621.

The spelling of 1233444480 in words is "one billion, two hundred thirty-three million, four hundred forty-four thousand, four hundred eighty".