1140385560 has 192 divisors, whose sum is σ = 3641954400. Its totient is φ = 285272064.

The previous prime is 1140385553. The next prime is 1140385583. The reversal of 1140385560 is 655830411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15621684 + ... + 15621756.

Almost surely, 2^1140385560 is an apocalyptic number.

1140385560 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 1140385560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1820977200).

1140385560 is an abundant number, since it is smaller than the sum of its proper divisors (2501568840).

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

1140385560 is a wasteful number, since it uses less digits than its factorization.

1140385560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 1140385560 is about 33769.5952004166. The cubic root of 1140385560 is about 1044.7616834052.

The spelling of 1140385560 in words is "one billion, one hundred forty million, three hundred eighty-five thousand, five hundred sixty".