10040142977 has 2 divisors, whose sum is σ = 10040142978. Its totient is φ = 10040142976.

The previous prime is 10040142929. The next prime is 10040142997. The reversal of 10040142977 is 77924104001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7824463936 + 2215679041 = 88456^2 + 47071^2 .

It is a cyclic number.

It is not a de Polignac number, because 10040142977 - 2¹² = 10040138881 is a prime.

It is not a weakly prime, because it can be changed into another prime (10040142997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5020071488 + 5020071489.

It is an arithmetic number, because the mean of its divisors is an integer number (5020071489).

Almost surely, 2^10040142977 is an apocalyptic number.

It is an amenable number.

10040142977 is a deficient number, since it is larger than the sum of its proper divisors (1).

10040142977 is an equidigital number, since it uses as much as digits as its factorization.

10040142977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 35.

Adding to 10040142977 its reverse (77924104001), we get a palindrome (87964246978).

The spelling of 10040142977 in words is "ten billion, forty million, one hundred forty-two thousand, nine hundred seventy-seven".