40023603613 has 16 divisors (see below), whose sum is σ = 46786320000. Its totient is φ = 34223947296.

The previous prime is 40023603611. The next prime is 40023603619. The reversal of 40023603613 is 31630632004.

It is not a de Polignac number, because 40023603613 - 2¹ = 40023603611 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40023603611) 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, 4473 + ... + 282961.

It is an arithmetic number, because the mean of its divisors is an integer number (2924145000).

Almost surely, 2^40023603613 is an apocalyptic number.

It is an amenable number.

40023603613 is a deficient number, since it is larger than the sum of its proper divisors (6762716387).

40023603613 is an equidigital number, since it uses as much as digits as its factorization.

40023603613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278929 (or 278915 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

The spelling of 40023603613 in words is "forty billion, twenty-three million, six hundred three thousand, six hundred thirteen".