40121276 has 18 divisors (see below), whose sum is σ = 76029912. Its totient is φ = 18517200.

The previous prime is 40121261. The next prime is 40121303. The reversal of 40121276 is 67212104.

40121276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 29000 + ... + 30351.

It is an arithmetic number, because the mean of its divisors is an integer number (4223884).

Almost surely, 2^40121276 is an apocalyptic number.

It is an amenable number.

40121276 is a deficient number, since it is larger than the sum of its proper divisors (35908636).

40121276 is a wasteful number, since it uses less digits than its factorization.

40121276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59381 (or 59366 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 40121276 is about 6334.1357737264. The cubic root of 40121276 is about 342.3404723537.

The spelling of 40121276 in words is "forty million, one hundred twenty-one thousand, two hundred seventy-six".