40522879 has 2 divisors, whose sum is σ = 40522880. Its totient is φ = 40522878.

The previous prime is 40522847. The next prime is 40522897. The reversal of 40522879 is 97822504.

Together with next prime (40522897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40522879 - 2⁵ = 40522847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40522829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20261439 + 20261440.

It is an arithmetic number, because the mean of its divisors is an integer number (20261440).

Almost surely, 2^40522879 is an apocalyptic number.

40522879 is a deficient number, since it is larger than the sum of its proper divisors (1).

40522879 is an equidigital number, since it uses as much as digits as its factorization.

40522879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 40522879 is about 6365.7583208915. The cubic root of 40522879 is about 343.4789270549.

The spelling of 40522879 in words is "forty million, five hundred twenty-two thousand, eight hundred seventy-nine".