40751707509 has 48 divisors (see below), whose sum is σ = 62366187520. Its totient is φ = 25570404000.

The previous prime is 40751707501. The next prime is 40751707511. The reversal of 40751707509 is 90570715704.

40751707509 is a `hidden beast` number, since 4 + 0 + 75 + 1 + 70 + 7 + 509 = 666.

It is not a de Polignac number, because 40751707509 - 2³ = 40751707501 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 (40751707501) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28637172 + ... + 28638594.

Almost surely, 2^40751707509 is an apocalyptic number.

It is an amenable number.

40751707509 is a deficient number, since it is larger than the sum of its proper divisors (21614480011).

40751707509 is a wasteful number, since it uses less digits than its factorization.

40751707509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2422 (or 2419 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 45.

The spelling of 40751707509 in words is "forty billion, seven hundred fifty-one million, seven hundred seven thousand, five hundred nine".