40084041040381 has 4 divisors (see below), whose sum is σ = 43167428812732. Its totient is φ = 37000653268032.

The previous prime is 40084041040297. The next prime is 40084041040391. The reversal of 40084041040381 is 18304014048004.

It is a happy number.

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 10224428324356 + 29859612716025 = 3197566^2 + 5464395^2 .

It is a cyclic number.

It is not a de Polignac number, because 40084041040381 - 2²⁷ = 40083906822653 is a prime.

It is a super-2 number, since 2×40084041040381² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40084041040381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40084041040391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1541693886156 + ... + 1541693886181.

It is an arithmetic number, because the mean of its divisors is an integer number (10791857203183).

Almost surely, 2^{40084041040381} is an apocalyptic number.

It is an amenable number.

40084041040381 is a deficient number, since it is larger than the sum of its proper divisors (3083387772351).

40084041040381 is a wasteful number, since it uses less digits than its factorization.

40084041040381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083387772350.

The product of its (nonzero) digits is 49152, while the sum is 37.

Adding to 40084041040381 its reverse (18304014048004), we get a palindrome (58388055088385).

The spelling of 40084041040381 in words is "forty trillion, eighty-four billion, forty-one million, forty thousand, three hundred eighty-one".