116509380 has 48 divisors (see below), whose sum is σ = 351322944. Its totient is φ = 28679040.

The previous prime is 116509369. The next prime is 116509397. The reversal of 116509380 is 83905611.

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, 73906 + ... + 75465.

It is an arithmetic number, because the mean of its divisors is an integer number (7319228).

Almost surely, 2^116509380 is an apocalyptic number.

116509380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116509380 is an abundant number, since it is smaller than the sum of its proper divisors (234813564).

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

116509380 is a wasteful number, since it uses less digits than its factorization.

116509380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149396 (or 149394 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 116509380 is about 10793.9510838247. The cubic root of 116509380 is about 488.4127174570.

The spelling of 116509380 in words is "one hundred sixteen million, five hundred nine thousand, three hundred eighty".