40355279 has 2 divisors, whose sum is σ = 40355280. Its totient is φ = 40355278.

The previous prime is 40355267. The next prime is 40355291. The reversal of 40355279 is 97255304.

It is a balanced prime because it is at equal distance from previous prime (40355267) and next prime (40355291).

It is a cyclic number.

It is not a de Polignac number, because 40355279 - 2⁸ = 40355023 is a 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 (40355779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20177639 + 20177640.

It is an arithmetic number, because the mean of its divisors is an integer number (20177640).

Almost surely, 2^40355279 is an apocalyptic number.

40355279 is a deficient number, since it is larger than the sum of its proper divisors (1).

40355279 is an equidigital number, since it uses as much as digits as its factorization.

40355279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 40355279 is about 6352.5804992932. The cubic root of 40355279 is about 343.0047371897.

The spelling of 40355279 in words is "forty million, three hundred fifty-five thousand, two hundred seventy-nine".