116421040 has 20 divisors (see below), whose sum is σ = 270679104. Its totient is φ = 46568384.

The previous prime is 116421023. The next prime is 116421059. The reversal of 116421040 is 40124611.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 116420999 and 116421017.

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 3 ways as a sum of consecutive naturals, for example, 727552 + ... + 727711.

Almost surely, 2^116421040 is an apocalyptic number.

116421040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116421040 is an abundant number, since it is smaller than the sum of its proper divisors (154258064).

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

116421040 is a wasteful number, since it uses less digits than its factorization.

116421040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455276 (or 1455270 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 116421040 is about 10789.8582011072. The cubic root of 116421040 is about 488.2892444545.

Adding to 116421040 its reverse (40124611), we get a palindrome (156545651).

The spelling of 116421040 in words is "one hundred sixteen million, four hundred twenty-one thousand, forty".