40645054603 has 16 divisors (see below), whose sum is σ = 42298421760. Its totient is φ = 39008793600.

The previous prime is 40645054591. The next prime is 40645054621. The reversal of 40645054603 is 30645054604.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40645054603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40645054663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12632851 + ... + 12636067.

It is an arithmetic number, because the mean of its divisors is an integer number (2643651360).

Almost surely, 2^40645054603 is an apocalyptic number.

40645054603 is a deficient number, since it is larger than the sum of its proper divisors (1653367157).

40645054603 is a wasteful number, since it uses less digits than its factorization.

40645054603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718.

The product of its (nonzero) digits is 172800, while the sum is 37.

Subtracting from 40645054603 its reverse (30645054604), we obtain a palindrome (9999999999).

The spelling of 40645054603 in words is "forty billion, six hundred forty-five million, fifty-four thousand, six hundred three".