116400040 has 32 divisors (see below), whose sum is σ = 270351360. Its totient is φ = 45057600.

The previous prime is 116400029. The next prime is 116400041. The reversal of 116400040 is 40004611.

It is a happy number.

It is a super-4 number, since 4×116400040⁴ (a number of 33 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 116399987 and 116400023.

It is not an unprimeable number, because it can be changed into a prime (116400041) 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, 45696 + ... + 48175.

It is an arithmetic number, because the mean of its divisors is an integer number (8448480).

Almost surely, 2^116400040 is an apocalyptic number.

116400040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

116400040 is an abundant number, since it is smaller than the sum of its proper divisors (153951320).

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

116400040 is a wasteful number, since it uses less digits than its factorization.

116400040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93913 (or 93909 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 116400040 is about 10788.8850211688. The cubic root of 116400040 is about 488.2598835224.

Adding to 116400040 its reverse (40004611), we get a palindrome (156404651).

The spelling of 116400040 in words is "one hundred sixteen million, four hundred thousand, forty".