40501672579 has 2 divisors, whose sum is σ = 40501672580. Its totient is φ = 40501672578.

The previous prime is 40501672507. The next prime is 40501672583. The reversal of 40501672579 is 97527610504.

40501672579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40501672579 - 2⁷ = 40501672451 is a prime.

It is a super-2 number, since 2×40501672579² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40501672979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20250836289 + 20250836290.

It is an arithmetic number, because the mean of its divisors is an integer number (20250836290).

Almost surely, 2^40501672579 is an apocalyptic number.

40501672579 is a deficient number, since it is larger than the sum of its proper divisors (1).

40501672579 is an equidigital number, since it uses as much as digits as its factorization.

40501672579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 529200, while the sum is 46.

The spelling of 40501672579 in words is "forty billion, five hundred one million, six hundred seventy-two thousand, five hundred seventy-nine".