1159818240 has 528 divisors, whose sum is σ = 4570083072. Its totient is φ = 249790464.

The previous prime is 1159818211. The next prime is 1159818269. The reversal of 1159818240 is 428189511.

It is an interprime number because it is at equal distance from previous prime (1159818211) and next prime (1159818269).

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, 17310687 + ... + 17310753.

Almost surely, 2^1159818240 is an apocalyptic number.

1159818240 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 1159818240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2285041536).

1159818240 is an abundant number, since it is smaller than the sum of its proper divisors (3410264832).

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

1159818240 is a wasteful number, since it uses less digits than its factorization.

1159818240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 39.

The square root of 1159818240 is about 34056.1042986423. The cubic root of 1159818240 is about 1050.6626927739.

The spelling of 1159818240 in words is "one billion, one hundred fifty-nine million, eight hundred eighteen thousand, two hundred forty".