40108492 has 24 divisors (see below), whose sum is σ = 71877456. Its totient is φ = 19576128.

The previous prime is 40108483. The next prime is 40108499. The reversal of 40108492 is 29480104.

40108492 is nontrivially palindromic in base 13.

It is a super-2 number, since 2×40108492² = 3217382261028128, 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 40108492.

It is not an unprimeable number, because it can be changed into a prime (40108499) 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, 58383 + ... + 59065.

It is an arithmetic number, because the mean of its divisors is an integer number (2994894).

Almost surely, 2^40108492 is an apocalyptic number.

It is an amenable number.

40108492 is a deficient number, since it is larger than the sum of its proper divisors (31768964).

40108492 is a wasteful number, since it uses less digits than its factorization.

40108492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1017 (or 1015 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 40108492 is about 6333.1265580280. The cubic root of 40108492 is about 342.3041080607.

Adding to 40108492 its reverse (29480104), we get a palindrome (69588596).

The spelling of 40108492 in words is "forty million, one hundred eight thousand, four hundred ninety-two".