1155350240 has 96 divisors (see below), whose sum is σ = 3041224704. Its totient is φ = 411159040.

The previous prime is 1155350221. The next prime is 1155350249. The reversal of 1155350240 is 420535511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155350249) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75737 + ... + 89703.

It is an arithmetic number, because the mean of its divisors is an integer number (31679424).

Almost surely, 2^1155350240 is an apocalyptic number.

1155350240 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 1155350240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1520612352).

1155350240 is an abundant number, since it is smaller than the sum of its proper divisors (1885874464).

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

1155350240 is a wasteful number, since it uses less digits than its factorization.

1155350240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14040 (or 14032 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1155350240 is about 33990.4433628042. The cubic root of 1155350240 is about 1049.3117908952.

Adding to 1155350240 its reverse (420535511), we get a palindrome (1575885751).

The spelling of 1155350240 in words is "one billion, one hundred fifty-five million, three hundred fifty thousand, two hundred forty".