116259280 has 20 divisors (see below), whose sum is σ = 270303012. Its totient is φ = 46503680.

The previous prime is 116259257. The next prime is 116259281. The reversal of 116259280 is 82952611.

It can be written as a sum of positive squares in 2 ways, for example, as 18011536 + 98247744 = 4244^2 + 9912^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×116259280² = 27032440372236800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116259281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 726541 + ... + 726700.

Almost surely, 2^116259280 is an apocalyptic number.

116259280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116259280 is an abundant number, since it is smaller than the sum of its proper divisors (154043732).

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

116259280 is a wasteful number, since it uses less digits than its factorization.

116259280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453254 (or 1453248 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 116259280 is about 10782.3596675310. The cubic root of 116259280 is about 488.0629901669.

The spelling of 116259280 in words is "one hundred sixteen million, two hundred fifty-nine thousand, two hundred eighty".