40864632001381 has 2 divisors, whose sum is σ = 40864632001382. Its totient is φ = 40864632001380.

The previous prime is 40864632001367. The next prime is 40864632001433. The reversal of 40864632001381 is 18310023646804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35956453176900 + 4908178824481 = 5996370^2 + 2215441^2 .

It is a cyclic number.

It is not a de Polignac number, because 40864632001381 - 2¹³ = 40864631993189 is a prime.

It is a super-2 number, since 2×40864632001381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40864632001331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20432316000690 + 20432316000691.

It is an arithmetic number, because the mean of its divisors is an integer number (20432316000691).

Almost surely, 2^{40864632001381} is an apocalyptic number.

It is an amenable number.

40864632001381 is a deficient number, since it is larger than the sum of its proper divisors (1).

40864632001381 is an equidigital number, since it uses as much as digits as its factorization.

40864632001381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 663552, while the sum is 46.

The spelling of 40864632001381 in words is "forty trillion, eight hundred sixty-four billion, six hundred thirty-two million, one thousand, three hundred eighty-one".