40023035959 has 4 divisors (see below), whose sum is σ = 40040462304. Its totient is φ = 40005609616.

The previous prime is 40023035957. The next prime is 40023035989. The reversal of 40023035959 is 95953032004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40023035959 - 2¹ = 40023035957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40023035951) 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, 8709727 + ... + 8714320.

It is an arithmetic number, because the mean of its divisors is an integer number (10010115576).

Almost surely, 2^40023035959 is an apocalyptic number.

40023035959 is a deficient number, since it is larger than the sum of its proper divisors (17426345).

40023035959 is a wasteful number, since it uses less digits than its factorization.

40023035959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17426344.

The product of its (nonzero) digits is 145800, while the sum is 40.

The spelling of 40023035959 in words is "forty billion, twenty-three million, thirty-five thousand, nine hundred fifty-nine".