1140412340 has 24 divisors (see below), whose sum is σ = 2395546272. Its totient is φ = 456035360.

The previous prime is 1140412307. The next prime is 1140412349. The reversal of 1140412340 is 432140411.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140412349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97907 + ... + 108933.

It is an arithmetic number, because the mean of its divisors is an integer number (99814428).

Almost surely, 2^1140412340 is an apocalyptic number.

1140412340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140412340 is an abundant number, since it is smaller than the sum of its proper divisors (1255133932).

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

1140412340 is a wasteful number, since it uses less digits than its factorization.

1140412340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16207 (or 16205 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1140412340 is about 33769.9917086161. The cubic root of 1140412340 is about 1044.7698614870.

Adding to 1140412340 its reverse (432140411), we get a palindrome (1572552751).

The spelling of 1140412340 in words is "one billion, one hundred forty million, four hundred twelve thousand, three hundred forty".