1140033420 has 96 divisors (see below), whose sum is σ = 3551654400. Its totient is φ = 303590592.

The previous prime is 1140033409. The next prime is 1140033449. The reversal of 1140033420 is 243300411.

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

It is a junction number, because it is equal to n+sod(n) for n = 1140033393 and 1140033402.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 780651 + ... + 782109.

It is an arithmetic number, because the mean of its divisors is an integer number (36996400).

Almost surely, 2^1140033420 is an apocalyptic number.

1140033420 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 1140033420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1775827200).

1140033420 is an abundant number, since it is smaller than the sum of its proper divisors (2411620980).

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

1140033420 is a wasteful number, since it uses less digits than its factorization.

1140033420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2924 (or 2916 counting only the distinct ones).

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

The square root of 1140033420 is about 33764.3809361285. The cubic root of 1140033420 is about 1044.6541349097.

Adding to 1140033420 its reverse (243300411), we get a palindrome (1383333831).

The spelling of 1140033420 in words is "one billion, one hundred forty million, thirty-three thousand, four hundred twenty".