40519785601 has 4 divisors (see below), whose sum is σ = 40788128704. Its totient is φ = 40251442500.

The previous prime is 40519785589. The next prime is 40519785667. The reversal of 40519785601 is 10658791504.

40519785601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40519785601 - 2⁵ = 40519785569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40519785001) 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, 134171325 + ... + 134171626.

It is an arithmetic number, because the mean of its divisors is an integer number (10197032176).

Almost surely, 2^40519785601 is an apocalyptic number.

It is an amenable number.

40519785601 is a deficient number, since it is larger than the sum of its proper divisors (268343103).

40519785601 is a wasteful number, since it uses less digits than its factorization.

40519785601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268343102.

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 40519785601 in words is "forty billion, five hundred nineteen million, seven hundred eighty-five thousand, six hundred one".