40950543513601 has 4 divisors (see below), whose sum is σ = 40950569288772. Its totient is φ = 40950517738432.

The previous prime is 40950543513599. The next prime is 40950543513611. The reversal of 40950543513601 is 10631534505904.

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 11877149112976 + 29073394400625 = 3446324^2 + 5391975^2 .

It is a cyclic number.

It is not a de Polignac number, because 40950543513601 - 2¹ = 40950543513599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40950543513611) 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, 10336060 + ... + 13738093.

It is an arithmetic number, because the mean of its divisors is an integer number (10237642322193).

Almost surely, 2^{40950543513601} is an apocalyptic number.

It is an amenable number.

40950543513601 is a deficient number, since it is larger than the sum of its proper divisors (25775171).

40950543513601 is a wasteful number, since it uses less digits than its factorization.

40950543513601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25775170.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 40950543513601 in words is "forty trillion, nine hundred fifty billion, five hundred forty-three million, five hundred thirteen thousand, six hundred one".