116305280 has 128 divisors (see below), whose sum is σ = 342377280. Its totient is φ = 36790272.

The previous prime is 116305271. The next prime is 116305291. The reversal of 116305280 is 82503611.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

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, 57242 + ... + 59238.

Almost surely, 2^116305280 is an apocalyptic number.

116305280 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 116305280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171188640).

116305280 is an abundant number, since it is smaller than the sum of its proper divisors (226072000).

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

116305280 is a wasteful number, since it uses less digits than its factorization.

116305280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036 (or 2024 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 116305280 is about 10784.4925703530. The cubic root of 116305280 is about 488.1273518740.

Adding to 116305280 its reverse (82503611), we get a palindrome (198808891).

The spelling of 116305280 in words is "one hundred sixteen million, three hundred five thousand, two hundred eighty".