40876221 has 16 divisors (see below), whose sum is σ = 58262400. Its totient is φ = 25428480.

The previous prime is 40876207. The next prime is 40876291. The reversal of 40876221 is 12267804.

It is not a de Polignac number, because 40876221 - 2⁵ = 40876189 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40876291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4396 + ... + 10053.

It is an arithmetic number, because the mean of its divisors is an integer number (3641400).

Almost surely, 2^40876221 is an apocalyptic number.

40876221 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40876221 is a deficient number, since it is larger than the sum of its proper divisors (17386179).

40876221 is a wasteful number, since it uses less digits than its factorization.

40876221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14516.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 40876221 is about 6393.4514153155. The cubic root of 40876221 is about 344.4743686531.

The spelling of 40876221 in words is "forty million, eight hundred seventy-six thousand, two hundred twenty-one".