40440076 has 24 divisors (see below), whose sum is σ = 75717936. Its totient is φ = 18831360.

The previous prime is 40440019. The next prime is 40440077. The reversal of 40440076 is 67004404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40440076.

It is not an unprimeable number, because it can be changed into a prime (40440077) 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, 3531 + ... + 9661.

It is an arithmetic number, because the mean of its divisors is an integer number (3154914).

Almost surely, 2^40440076 is an apocalyptic number.

It is an amenable number.

40440076 is a deficient number, since it is larger than the sum of its proper divisors (35277860).

40440076 is a wasteful number, since it uses less digits than its factorization.

40440076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249 (or 6247 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 40440076 is about 6359.2512137830. The cubic root of 40440076 is about 343.2448166779.

The spelling of 40440076 in words is "forty million, four hundred forty thousand, seventy-six".