32440137077 has 2 divisors, whose sum is σ = 32440137078. Its totient is φ = 32440137076.

The previous prime is 32440137019. The next prime is 32440137083. The reversal of 32440137077 is 77073104423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31175552356 + 1264584721 = 176566^2 + 35561^2 .

It is a cyclic number.

It is not a de Polignac number, because 32440137077 - 2¹² = 32440132981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32440137077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32440167077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16220068538 + 16220068539.

It is an arithmetic number, because the mean of its divisors is an integer number (16220068539).

Almost surely, 2^32440137077 is an apocalyptic number.

It is an amenable number.

32440137077 is a deficient number, since it is larger than the sum of its proper divisors (1).

32440137077 is an equidigital number, since it uses as much as digits as its factorization.

32440137077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 38.

The spelling of 32440137077 in words is "thirty-two billion, four hundred forty million, one hundred thirty-seven thousand, seventy-seven".