40355143601 has 4 divisors (see below), whose sum is σ = 40532919792. Its totient is φ = 40177367412.

The previous prime is 40355143583. The next prime is 40355143607. The reversal of 40355143601 is 10634155304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40355143601 - 2¹⁰ = 40355142577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40355143607) 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, 88887755 + ... + 88888208.

It is an arithmetic number, because the mean of its divisors is an integer number (10133229948).

Almost surely, 2^40355143601 is an apocalyptic number.

It is an amenable number.

40355143601 is a deficient number, since it is larger than the sum of its proper divisors (177776191).

40355143601 is a wasteful number, since it uses less digits than its factorization.

40355143601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177776190.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 40355143601 its reverse (10634155304), we get a palindrome (50989298905).

The spelling of 40355143601 in words is "forty billion, three hundred fifty-five million, one hundred forty-three thousand, six hundred one".