1133418440 has 192 divisors, whose sum is σ = 3269047680. Its totient is φ = 343526400.

The previous prime is 1133418439. The next prime is 1133418487. The reversal of 1133418440 is 448143311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15526244 + ... + 15526316.

It is an arithmetic number, because the mean of its divisors is an integer number (17026290).

Almost surely, 2^1133418440 is an apocalyptic number.

1133418440 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 1133418440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1634523840).

1133418440 is an abundant number, since it is smaller than the sum of its proper divisors (2135629240).

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

1133418440 is a wasteful number, since it uses less digits than its factorization.

1133418440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 169 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 1133418440 is about 33666.2804598310. The cubic root of 1133418440 is about 1042.6296986048.

The spelling of 1133418440 in words is "one billion, one hundred thirty-three million, four hundred eighteen thousand, four hundred forty".