40019276 has 12 divisors (see below), whose sum is σ = 76400520. Its totient is φ = 18190560.

The previous prime is 40019261. The next prime is 40019279. The reversal of 40019276 is 67291004.

It is not an unprimeable number, because it can be changed into a prime (40019279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 454721 + ... + 454808.

It is an arithmetic number, because the mean of its divisors is an integer number (6366710).

Almost surely, 2^40019276 is an apocalyptic number.

It is an amenable number.

40019276 is a deficient number, since it is larger than the sum of its proper divisors (36381244).

40019276 is a wasteful number, since it uses less digits than its factorization.

40019276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909544 (or 909542 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 40019276 is about 6326.0790383934. The cubic root of 40019276 is about 342.0501163404.

The spelling of 40019276 in words is "forty million, nineteen thousand, two hundred seventy-six".