40748369517 has 8 divisors (see below), whose sum is σ = 60367954880. Its totient is φ = 27165579660.

The previous prime is 40748369509. The next prime is 40748369531. The reversal of 40748369517 is 71596384704.

40748369517 is a `hidden beast` number, since 40 + 7 + 4 + 83 + 6 + 9 + 517 = 666.

It is not a de Polignac number, because 40748369517 - 2³ = 40748369509 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 (40748369587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754599409 + ... + 754599462.

It is an arithmetic number, because the mean of its divisors is an integer number (7545994360).

Almost surely, 2^40748369517 is an apocalyptic number.

It is an amenable number.

40748369517 is a deficient number, since it is larger than the sum of its proper divisors (19619585363).

40748369517 is a wasteful number, since it uses less digits than its factorization.

40748369517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509198880 (or 1509198874 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 40748369517 in words is "forty billion, seven hundred forty-eight million, three hundred sixty-nine thousand, five hundred seventeen".