116542240 has 48 divisors (see below), whose sum is σ = 279236160. Its totient is φ = 45955840.

The previous prime is 116542171. The next prime is 116542249. The reversal of 116542240 is 42245611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (116542249) 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, 6231 + ... + 16489.

It is an arithmetic number, because the mean of its divisors is an integer number (5817420).

Almost surely, 2^116542240 is an apocalyptic number.

116542240 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 116542240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139618080).

116542240 is an abundant number, since it is smaller than the sum of its proper divisors (162693920).

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

116542240 is a wasteful number, since it uses less digits than its factorization.

116542240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10345 (or 10337 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 116542240 is about 10795.4731253429. The cubic root of 116542240 is about 488.4586300216.

Adding to 116542240 its reverse (42245611), we get a palindrome (158787851).

The spelling of 116542240 in words is "one hundred sixteen million, five hundred forty-two thousand, two hundred forty".