116502640 has 40 divisors (see below), whose sum is σ = 278196480. Its totient is φ = 45340416.

The previous prime is 116502593. The next prime is 116502697. The reversal of 116502640 is 46205611.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16720 + ... + 22639.

It is an arithmetic number, because the mean of its divisors is an integer number (6954912).

Almost surely, 2^116502640 is an apocalyptic number.

116502640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116502640 is an abundant number, since it is smaller than the sum of its proper divisors (161693840).

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

116502640 is a wasteful number, since it uses less digits than its factorization.

116502640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39409 (or 39403 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 116502640 is about 10793.6388674070. The cubic root of 116502640 is about 488.4032991446.

The spelling of 116502640 in words is "one hundred sixteen million, five hundred two thousand, six hundred forty".