40077476846669 has 2 divisors, whose sum is σ = 40077476846670. Its totient is φ = 40077476846668.

The previous prime is 40077476846623. The next prime is 40077476846681. The reversal of 40077476846669 is 96664867477004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40018111524169 + 59365322500 = 6325987^2 + 243650^2 .

It is a cyclic number.

It is not a de Polignac number, because 40077476846669 - 2⁸ = 40077476846413 is a prime.

It is a super-2 number, since 2×40077476846669² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40077476846596 and 40077476846605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40077476846609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20038738423334 + 20038738423335.

It is an arithmetic number, because the mean of its divisors is an integer number (20038738423335).

Almost surely, 2^{40077476846669} is an apocalyptic number.

It is an amenable number.

40077476846669 is a deficient number, since it is larger than the sum of its proper divisors (1).

40077476846669 is an equidigital number, since it uses as much as digits as its factorization.

40077476846669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048385024, while the sum is 74.

The spelling of 40077476846669 in words is "forty trillion, seventy-seven billion, four hundred seventy-six million, eight hundred forty-six thousand, six hundred sixty-nine".