116289540 has 48 divisors (see below), whose sum is σ = 361791360. Its totient is φ = 31010400.

The previous prime is 116289529. The next prime is 116289553. The reversal of 116289540 is 45982611.

It is a super-2 number, since 2×116289540² = 27046514226823200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 116289495 and 116289504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107136 + ... + 108215.

It is an arithmetic number, because the mean of its divisors is an integer number (7537320).

Almost surely, 2^116289540 is an apocalyptic number.

116289540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116289540 is an abundant number, since it is smaller than the sum of its proper divisors (245501820).

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

116289540 is a wasteful number, since it uses less digits than its factorization.

116289540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215369 (or 215361 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 116289540 is about 10783.7627941271. The cubic root of 116289540 is about 488.1053308871.

The spelling of 116289540 in words is "one hundred sixteen million, two hundred eighty-nine thousand, five hundred forty".