4048040039977 has 2 divisors, whose sum is σ = 4048040039978. Its totient is φ = 4048040039976.

The previous prime is 4048040039957. The next prime is 4048040040043. The reversal of 4048040039977 is 7799300408404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3950311276521 + 97728763456 = 1987539^2 + 312616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4048040039977 is a prime.

It is not a weakly prime, because it can be changed into another prime (4048040039957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2024020019988 + 2024020019989.

It is an arithmetic number, because the mean of its divisors is an integer number (2024020019989).

Almost surely, 2^{4048040039977} is an apocalyptic number.

It is an amenable number.

4048040039977 is a deficient number, since it is larger than the sum of its proper divisors (1).

4048040039977 is an equidigital number, since it uses as much as digits as its factorization.

4048040039977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 4048040039977 in words is "four trillion, forty-eight billion, forty million, thirty-nine thousand, nine hundred seventy-seven".