40001667471377 has 2 divisors, whose sum is σ = 40001667471378. Its totient is φ = 40001667471376.

The previous prime is 40001667471341. The next prime is 40001667471401. The reversal of 40001667471377 is 77317476610004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27330352888336 + 12671314583041 = 5227844^2 + 3559679^2 .

It is a cyclic number.

It is not a de Polignac number, because 40001667471377 - 2¹⁶ = 40001667405841 is a prime.

It is a super-2 number, since 2×40001667471377² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40001667471977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20000833735688 + 20000833735689.

It is an arithmetic number, because the mean of its divisors is an integer number (20000833735689).

Almost surely, 2^{40001667471377} is an apocalyptic number.

It is an amenable number.

40001667471377 is a deficient number, since it is larger than the sum of its proper divisors (1).

40001667471377 is an equidigital number, since it uses as much as digits as its factorization.

40001667471377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4148928, while the sum is 53.

The spelling of 40001667471377 in words is "forty trillion, one billion, six hundred sixty-seven million, four hundred seventy-one thousand, three hundred seventy-seven".