1120644408 has 48 divisors (see below), whose sum is σ = 3033708120. Its totient is φ = 344812416.

The previous prime is 1120644401. The next prime is 1120644443. The reversal of 1120644408 is 8044460211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120644401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134091 + ... + 142202.

Almost surely, 2^1120644408 is an apocalyptic number.

It is an amenable number.

1120644408 is an abundant number, since it is smaller than the sum of its proper divisors (1913063712).

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

1120644408 is a wasteful number, since it uses less digits than its factorization.

1120644408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276328 (or 276311 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 1120644408 is about 33476.0273628757. The cubic root of 1120644408 is about 1038.6979538943.

The spelling of 1120644408 in words is "one billion, one hundred twenty million, six hundred forty-four thousand, four hundred eight".