116449640 has 32 divisors (see below), whose sum is σ = 270466560. Its totient is φ = 45076800.

The previous prime is 116449631. The next prime is 116449649. The reversal of 116449640 is 46944611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (116449631) and next prime (116449649).

It is a super-2 number, since 2×116449640² = 27121037312259200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 116449640.

It is not an unprimeable number, because it can be changed into a prime (116449649) by changing a digit.

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, 45716 + ... + 48195.

It is an arithmetic number, because the mean of its divisors is an integer number (8452080).

Almost surely, 2^116449640 is an apocalyptic number.

116449640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116449640 is an abundant number, since it is smaller than the sum of its proper divisors (154016920).

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

116449640 is a wasteful number, since it uses less digits than its factorization.

116449640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93953 (or 93949 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 116449640 is about 10791.1834383445. The cubic root of 116449640 is about 488.3292255696.

The spelling of 116449640 in words is "one hundred sixteen million, four hundred forty-nine thousand, six hundred forty".