40010735543381 has 2 divisors, whose sum is σ = 40010735543382. Its totient is φ = 40010735543380.

The previous prime is 40010735543243. The next prime is 40010735543399. The reversal of 40010735543381 is 18334553701004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25212549864100 + 14798185679281 = 5021210^2 + 3846841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40010735543381 is a prime.

It is a super-3 number, since 3×40010735543381³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40010735543081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20005367771690 + 20005367771691.

It is an arithmetic number, because the mean of its divisors is an integer number (20005367771691).

Almost surely, 2^{40010735543381} is an apocalyptic number.

It is an amenable number.

40010735543381 is a deficient number, since it is larger than the sum of its proper divisors (1).

40010735543381 is an equidigital number, since it uses as much as digits as its factorization.

40010735543381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 40010735543381 in words is "forty trillion, ten billion, seven hundred thirty-five million, five hundred forty-three thousand, three hundred eighty-one".