40165713223580 has 48 divisors (see below), whose sum is σ = 96399878667456. Its totient is φ = 13770792115200.

The previous prime is 40165713223579. The next prime is 40165713223583. The reversal of 40165713223580 is 8532231756104.

It is a super-2 number, since 2×40165713223580² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40165713223583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3069380 + ... + 9473780.

It is an arithmetic number, because the mean of its divisors is an integer number (2008330805572).

Almost surely, 2^{40165713223580} is an apocalyptic number.

It is an amenable number.

40165713223580 is an abundant number, since it is smaller than the sum of its proper divisors (56234165443876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40165713223580 is a wasteful number, since it uses less digits than its factorization.

40165713223580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449214 (or 6449212 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

Adding to 40165713223580 its reverse (8532231756104), we get a palindrome (48697944979684).

The spelling of 40165713223580 in words is "forty trillion, one hundred sixty-five billion, seven hundred thirteen million, two hundred twenty-three thousand, five hundred eighty".