40292101979 has 2 divisors, whose sum is σ = 40292101980. Its totient is φ = 40292101978.

The previous prime is 40292101951. The next prime is 40292101991. The reversal of 40292101979 is 97910129204.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40292101979 is a prime.

It is a super-2 number, since 2×40292101979² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40292101939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20146050989 + 20146050990.

It is an arithmetic number, because the mean of its divisors is an integer number (20146050990).

Almost surely, 2^40292101979 is an apocalyptic number.

40292101979 is a deficient number, since it is larger than the sum of its proper divisors (1).

40292101979 is an equidigital number, since it uses as much as digits as its factorization.

40292101979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 44.

The spelling of 40292101979 in words is "forty billion, two hundred ninety-two million, one hundred one thousand, nine hundred seventy-nine".