116277640 has 32 divisors (see below), whose sum is σ = 268009560. Its totient is φ = 45376000.

The previous prime is 116277631. The next prime is 116277647. The reversal of 116277640 is 46772611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 94206436 + 22071204 = 9706^2 + 4698^2 .

It is a junction number, because it is equal to n+sod(n) for n = 116277596 and 116277605.

It is not an unprimeable number, because it can be changed into a prime (116277647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33811 + ... + 37090.

Almost surely, 2^116277640 is an apocalyptic number.

116277640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116277640 is an abundant number, since it is smaller than the sum of its proper divisors (151731920).

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

116277640 is a wasteful number, since it uses less digits than its factorization.

116277640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70953 (or 70949 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 116277640 is about 10783.2110245511. The cubic root of 116277640 is about 488.0886809185.

The spelling of 116277640 in words is "one hundred sixteen million, two hundred seventy-seven thousand, six hundred forty".