116549940 has 48 divisors (see below), whose sum is σ = 351445248. Its totient is φ = 28689024.

The previous prime is 116549911. The next prime is 116549941. The reversal of 116549940 is 49945611.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116549941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73932 + ... + 75491.

It is an arithmetic number, because the mean of its divisors is an integer number (7321776).

Almost surely, 2^116549940 is an apocalyptic number.

116549940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116549940 is an abundant number, since it is smaller than the sum of its proper divisors (234895308).

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

116549940 is a wasteful number, since it uses less digits than its factorization.

116549940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149448 (or 149446 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 116549940 is about 10795.8297504175. The cubic root of 116549940 is about 488.4693873476.

The spelling of 116549940 in words is "one hundred sixteen million, five hundred forty-nine thousand, nine hundred forty".