40118592 has 56 divisors (see below), whose sum is σ = 106736896. Its totient is φ = 13298688.

The previous prime is 40118591. The next prime is 40118641. The reversal of 40118592 is 29581104.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40118591) 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, 42348 + ... + 43284.

It is an arithmetic number, because the mean of its divisors is an integer number (1906016).

Almost surely, 2^40118592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40118592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53368448).

40118592 is an abundant number, since it is smaller than the sum of its proper divisors (66618304).

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

40118592 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 12 representation: 40118592 = (11528940)₁₂.

40118592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175 (or 1165 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 30.

The square root of 40118592 is about 6333.9239022900. The cubic root of 40118592 is about 342.3328383134.

Adding to 40118592 its reverse (29581104), we get a palindrome (69699696).

The spelling of 40118592 in words is "forty million, one hundred eighteen thousand, five hundred ninety-two".