40013254324541 has 4 divisors (see below), whose sum is σ = 40268115817212. Its totient is φ = 39758392831872.

The previous prime is 40013254324501. The next prime is 40013254324543. The reversal of 40013254324541 is 14542345231004.

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 17878064236516 + 22135190088025 = 4228246^2 + 4704805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40013254324541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40013254324495 and 40013254324504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40013254324543) 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, 127430746100 + ... + 127430746413.

It is an arithmetic number, because the mean of its divisors is an integer number (10067028954303).

Almost surely, 2^{40013254324541} is an apocalyptic number.

It is an amenable number.

40013254324541 is a deficient number, since it is larger than the sum of its proper divisors (254861492671).

40013254324541 is a wasteful number, since it uses less digits than its factorization.

40013254324541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254861492670.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 40013254324541 its reverse (14542345231004), we get a palindrome (54555599555545).

The spelling of 40013254324541 in words is "forty trillion, thirteen billion, two hundred fifty-four million, three hundred twenty-four thousand, five hundred forty-one".