1133211840 has 224 divisors, whose sum is σ = 3976542720. Its totient is φ = 271958016.

The previous prime is 1133211773. The next prime is 1133211841. The reversal of 1133211840 is 481123311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1133211840.

It is not an unprimeable number, because it can be changed into a prime (1133211841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373851 + ... + 376869.

Almost surely, 2^1133211840 is an apocalyptic number.

1133211840 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 1133211840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1988271360).

1133211840 is an abundant number, since it is smaller than the sum of its proper divisors (2843330880).

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

1133211840 is a wasteful number, since it uses less digits than its factorization.

1133211840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079 (or 3069 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1133211840 is about 33663.2119679629. The cubic root of 1133211840 is about 1042.5663444255.

The spelling of 1133211840 in words is "one billion, one hundred thirty-three million, two hundred eleven thousand, eight hundred forty".