4040492 has 12 divisors (see below), whose sum is σ = 7486920. Its totient is φ = 1901376.

The previous prime is 4040473. The next prime is 4040501. The reversal of 4040492 is 2940404.

It is a happy number.

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, 29642 + ... + 29777.

It is an arithmetic number, because the mean of its divisors is an integer number (623910).

Almost surely, 2^4040492 is an apocalyptic number.

It is an amenable number.

4040492 is a deficient number, since it is larger than the sum of its proper divisors (3446428).

4040492 is a wasteful number, since it uses less digits than its factorization.

4040492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59440 (or 59438 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 4040492 is about 2010.0975100726. The cubic root of 4040492 is about 159.2739498871.

Adding to 4040492 its reverse (2940404), we get a palindrome (6980896).

The spelling of 4040492 in words is "four million, forty thousand, four hundred ninety-two".