40872959 has 2 divisors, whose sum is σ = 40872960. Its totient is φ = 40872958.

The previous prime is 40872907. The next prime is 40873013. The reversal of 40872959 is 95927804.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40872959 - 2⁸ = 40872703 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40874959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20436479 + 20436480.

It is an arithmetic number, because the mean of its divisors is an integer number (20436480).

Almost surely, 2^40872959 is an apocalyptic number.

40872959 is a deficient number, since it is larger than the sum of its proper divisors (1).

40872959 is an equidigital number, since it uses as much as digits as its factorization.

40872959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 40872959 is about 6393.1963054485. The cubic root of 40872959 is about 344.4652051733.

The spelling of 40872959 in words is "forty million, eight hundred seventy-two thousand, nine hundred fifty-nine".