40769517 has 8 divisors (see below), whose sum is σ = 55014624. Its totient is φ = 26852048.

The previous prime is 40769507. The next prime is 40769569. The reversal of 40769517 is 71596704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40769517 - 2¹⁰ = 40768493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40769507) 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, 81618 + ... + 82115.

It is an arithmetic number, because the mean of its divisors is an integer number (6876828).

Almost surely, 2^40769517 is an apocalyptic number.

It is an amenable number.

40769517 is a deficient number, since it is larger than the sum of its proper divisors (14245107).

40769517 is a wasteful number, since it uses less digits than its factorization.

40769517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163819.

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 40769517 is about 6385.1011738265. The cubic root of 40769517 is about 344.1743668255.

The spelling of 40769517 in words is "forty million, seven hundred sixty-nine thousand, five hundred seventeen".