40012451534541 has 8 divisors (see below), whose sum is σ = 53350296412320. Its totient is φ = 26674787173232.

The previous prime is 40012451534513. The next prime is 40012451534551. The reversal of 40012451534541 is 14543515421004.

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 40012451534541 - 2⁶ = 40012451534477 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40012451534541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012451534551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44611071 + ... + 45499148.

It is an arithmetic number, because the mean of its divisors is an integer number (6668787051540).

Almost surely, 2^{40012451534541} is an apocalyptic number.

It is an amenable number.

40012451534541 is a deficient number, since it is larger than the sum of its proper divisors (13337844877779).

40012451534541 is a wasteful number, since it uses less digits than its factorization.

40012451534541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90258235.

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 40012451534541 its reverse (14543515421004), we get a palindrome (54555966955545).

The spelling of 40012451534541 in words is "forty trillion, twelve billion, four hundred fifty-one million, five hundred thirty-four thousand, five hundred forty-one".