1133020440 has 64 divisors (see below), whose sum is σ = 3776738400. Its totient is φ = 302138496.

The previous prime is 1133020433. The next prime is 1133020453. The reversal of 1133020440 is 440203311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523467 + ... + 525626.

Almost surely, 2^1133020440 is an apocalyptic number.

1133020440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1133020440 is an abundant number, since it is smaller than the sum of its proper divisors (2643717960).

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

1133020440 is a wasteful number, since it uses less digits than its factorization.

1133020440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049113 (or 1049103 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1133020440 is about 33660.3689819348. The cubic root of 1133020440 is about 1042.5076444758.

Adding to 1133020440 its reverse (440203311), we get a palindrome (1573223751).

The spelling of 1133020440 in words is "one billion, one hundred thirty-three million, twenty thousand, four hundred forty".