40088448839977 has 2 divisors, whose sum is σ = 40088448839978. Its totient is φ = 40088448839976.

The previous prime is 40088448839921. The next prime is 40088448840061. The reversal of 40088448839977 is 77993884488004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39601899344016 + 486549495961 = 6293004^2 + 697531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40088448839977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40088448839897 and 40088448839906.

It is not a weakly prime, because it can be changed into another prime (40088448939977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20044224419988 + 20044224419989.

It is an arithmetic number, because the mean of its divisors is an integer number (20044224419989).

Almost surely, 2^{40088448839977} is an apocalyptic number.

It is an amenable number.

40088448839977 is a deficient number, since it is larger than the sum of its proper divisors (1).

40088448839977 is an equidigital number, since it uses as much as digits as its factorization.

40088448839977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3121348608, while the sum is 79.

The spelling of 40088448839977 in words is "forty trillion, eighty-eight billion, four hundred forty-eight million, eight hundred thirty-nine thousand, nine hundred seventy-seven".