40645054605 has 16 divisors (see below), whose sum is σ = 68857504704. Its totient is φ = 20402223360.

The previous prime is 40645054591. The next prime is 40645054621. The reversal of 40645054605 is 50645054604.

It is not a de Polignac number, because 40645054605 - 2³¹ = 38497570957 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79695931 + ... + 79696440.

It is an arithmetic number, because the mean of its divisors is an integer number (4303594044).

Almost surely, 2^40645054605 is an apocalyptic number.

It is an amenable number.

40645054605 is a deficient number, since it is larger than the sum of its proper divisors (28212450099).

40645054605 is a wasteful number, since it uses less digits than its factorization.

40645054605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159392396.

The product of its (nonzero) digits is 288000, while the sum is 39.

Subtracting 40645054605 from its reverse (50645054604), we obtain a palindrome (9999999999).

The spelling of 40645054605 in words is "forty billion, six hundred forty-five million, fifty-four thousand, six hundred five".