40566998783 has 8 divisors (see below), whose sum is σ = 41984327280. Its totient is φ = 39150901440.

The previous prime is 40566998707. The next prime is 40566998837. The reversal of 40566998783 is 38789966504.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40566998783 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 (40566998183) 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, 240485 + ... + 372782.

It is an arithmetic number, because the mean of its divisors is an integer number (5248040910).

Almost surely, 2^40566998783 is an apocalyptic number.

40566998783 is a deficient number, since it is larger than the sum of its proper divisors (1417328497).

40566998783 is a wasteful number, since it uses less digits than its factorization.

40566998783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615577.

The product of its (nonzero) digits is 78382080, while the sum is 65.

The spelling of 40566998783 in words is "forty billion, five hundred sixty-six million, nine hundred ninety-eight thousand, seven hundred eighty-three".