116531664240 has 40 divisors (see below), whose sum is σ = 361248159888. Its totient is φ = 31075110400.

The previous prime is 116531664239. The next prime is 116531664251. The reversal of 116531664240 is 42466135611.

116531664240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 242774061 + ... + 242774540.

Almost surely, 2^116531664240 is an apocalyptic number.

116531664240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116531664240 is an abundant number, since it is smaller than the sum of its proper divisors (244716495648).

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

116531664240 is a wasteful number, since it uses less digits than its factorization.

116531664240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485548617 (or 485548611 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

Adding to 116531664240 its reverse (42466135611), we get a palindrome (158997799851).

The spelling of 116531664240 in words is "one hundred sixteen billion, five hundred thirty-one million, six hundred sixty-four thousand, two hundred forty".