1159547940 is a `hidden beast` number, since 1 + 15 + 9 + 547 + 94 + 0 = 666.
Almost surely, 21159547940 is an apocalyptic number.
1159547940 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 1159547940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1807176000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1159547940 is a wasteful number, since it uses less digits than its factorization.
1159547940 is an evil number, because the sum of its binary digits is even.
The square root of 1159547940 is about 34052.1356158465. The cubic root of 1159547940 is about 1050.5810661359.
The spelling of 1159547940 in words is "one billion, one hundred fifty-nine million, five hundred forty-seven thousand, nine hundred forty".