40233727509 has 16 divisors (see below), whose sum is σ = 53901946560. Its totient is φ = 26694264960.

The previous prime is 40233727463. The next prime is 40233727511. The reversal of 40233727509 is 90572733204.

It is not a de Polignac number, because 40233727509 - 2²⁰ = 40232678933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40233727519) 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, 575737 + ... + 641825.

It is an arithmetic number, because the mean of its divisors is an integer number (3368871660).

Almost surely, 2^40233727509 is an apocalyptic number.

It is an amenable number.

40233727509 is a deficient number, since it is larger than the sum of its proper divisors (13668219051).

40233727509 is a wasteful number, since it uses less digits than its factorization.

40233727509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67060.

The product of its (nonzero) digits is 317520, while the sum is 42.

The spelling of 40233727509 in words is "forty billion, two hundred thirty-three million, seven hundred twenty-seven thousand, five hundred nine".