40013545044304 has 20 divisors (see below), whose sum is σ = 83489800717876. Its totient is φ = 18467790020352.

The previous prime is 40013545044301. The next prime is 40013545044323. The reversal of 40013545044304 is 40344054531004.

It can be written as a sum of positive squares in 2 ways, for example, as 18460255971600 + 21553289072704 = 4296540^2 + 4642552^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013545044301) 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, 96186406149 + ... + 96186406564.

Almost surely, 2^{40013545044304} is an apocalyptic number.

It is an amenable number.

40013545044304 is an abundant number, since it is smaller than the sum of its proper divisors (43476255673572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40013545044304 is a wasteful number, since it uses less digits than its factorization.

40013545044304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192372812734 (or 192372812728 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 40013545044304 its reverse (40344054531004), we get a palindrome (80357599575308).

The spelling of 40013545044304 in words is "forty trillion, thirteen billion, five hundred forty-five million, forty-four thousand, three hundred four".