1142040000 has 280 divisors, whose sum is σ = 3910348288. Its totient is φ = 293760000.

The previous prime is 1142039909. The next prime is 1142040023. The reversal of 1142040000 is 402411.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3719847 + ... + 3720153.

Almost surely, 2^1142040000 is an apocalyptic number.

1142040000 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 1142040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1955174144).

1142040000 is an abundant number, since it is smaller than the sum of its proper divisors (2768308288).

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

1142040000 is an equidigital number, since it uses as much as digits as its factorization.

1142040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373 (or 348 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1142040000 is about 33794.0823222055. The cubic root of 1142040000 is about 1045.2666764440.

Adding to 1142040000 its reverse (402411), we get a palindrome (1142442411).

The spelling of 1142040000 in words is "one billion, one hundred forty-two million, forty thousand".