40017506421037 has 8 divisors (see below), whose sum is σ = 40031087320440. Its totient is φ = 40003927257600.

The previous prime is 40017506421017. The next prime is 40017506421059. The reversal of 40017506421037 is 73012460571004.

It can be written as a sum of positive squares in 4 ways, for example, as 11831749352361 + 28185757068676 = 3439731^2 + 5309026^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40017506421037 - 2²³ = 40017498032429 is a prime.

It is a super-4 number, since 4×40017506421037⁴ (a number of 56 digits) contains 4444 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 (40017506421017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46537287 + ... + 47389387.

It is an arithmetic number, because the mean of its divisors is an integer number (5003885915055).

Almost surely, 2^{40017506421037} is an apocalyptic number.

It is an amenable number.

40017506421037 is a deficient number, since it is larger than the sum of its proper divisors (13580899403).

40017506421037 is a wasteful number, since it uses less digits than its factorization.

40017506421037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867983.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 40017506421037 in words is "forty trillion, seventeen billion, five hundred six million, four hundred twenty-one thousand, thirty-seven".