1140998000 has 40 divisors (see below), whose sum is σ = 2758938000. Its totient is φ = 456398400.

The previous prime is 1140997999. The next prime is 1140998003. The reversal of 1140998000 is 8990411.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140998003) 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, 283250 + ... + 287249.

It is an arithmetic number, because the mean of its divisors is an integer number (68973450).

Almost surely, 2^1140998000 is an apocalyptic number.

1140998000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140998000 is an abundant number, since it is smaller than the sum of its proper divisors (1617940000).

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

1140998000 is an equidigital number, since it uses as much as digits as its factorization.

1140998000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570522 (or 570506 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1140998000 is about 33778.6619036338. The cubic root of 1140998000 is about 1044.9486784469.

The spelling of 1140998000 in words is "one billion, one hundred forty million, nine hundred ninety-eight thousand".