40137237620741 has 4 divisors (see below), whose sum is σ = 40551023575692. Its totient is φ = 39723451665792.

The previous prime is 40137237620729. The next prime is 40137237620743. The reversal of 40137237620741 is 14702673273104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7949157330625 + 32188080290116 = 2819425^2 + 5673454^2 .

It is a cyclic number.

It is not a de Polignac number, because 40137237620741 - 2³⁸ = 39862359713797 is a prime.

It is a super-2 number, since 2×40137237620741² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40137237620743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206892977330 + ... + 206892977523.

It is an arithmetic number, because the mean of its divisors is an integer number (10137755893923).

Almost surely, 2^{40137237620741} is an apocalyptic number.

It is an amenable number.

40137237620741 is a deficient number, since it is larger than the sum of its proper divisors (413785954951).

40137237620741 is an equidigital number, since it uses as much as digits as its factorization.

40137237620741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413785954950.

The product of its (nonzero) digits is 1185408, while the sum is 47.

The spelling of 40137237620741 in words is "forty trillion, one hundred thirty-seven billion, two hundred thirty-seven million, six hundred twenty thousand, seven hundred forty-one".