40032655979 has 2 divisors, whose sum is σ = 40032655980. Its totient is φ = 40032655978.

The previous prime is 40032655937. The next prime is 40032656021. The reversal of 40032655979 is 97955623004.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (40032655937) and next prime (40032656021).

It is a cyclic number.

It is not a de Polignac number, because 40032655979 - 2²⁰ = 40031607403 is a prime.

It is a super-2 number, since 2×40032655979² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40032675979) 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 as a sum of consecutive naturals, namely, 20016327989 + 20016327990.

It is an arithmetic number, because the mean of its divisors is an integer number (20016327990).

Almost surely, 2^40032655979 is an apocalyptic number.

40032655979 is a deficient number, since it is larger than the sum of its proper divisors (1).

40032655979 is an equidigital number, since it uses as much as digits as its factorization.

40032655979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 40032655979 in words is "forty billion, thirty-two million, six hundred fifty-five thousand, nine hundred seventy-nine".