40873724566 has 4 divisors (see below), whose sum is σ = 61310586852. Its totient is φ = 20436862282.

The previous prime is 40873724561. The next prime is 40873724611. The reversal of 40873724566 is 66542737804.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×40873724566² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40873724561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10218431140 + ... + 10218431143.

It is an arithmetic number, because the mean of its divisors is an integer number (15327646713).

Almost surely, 2^40873724566 is an apocalyptic number.

40873724566 is a deficient number, since it is larger than the sum of its proper divisors (20436862286).

40873724566 is a wasteful number, since it uses less digits than its factorization.

40873724566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20436862285.

The product of its (nonzero) digits is 6773760, while the sum is 52.

The spelling of 40873724566 in words is "forty billion, eight hundred seventy-three million, seven hundred twenty-four thousand, five hundred sixty-six".