40423246355536 has 80 divisors (see below), whose sum is σ = 86403728521728. Its totient is φ = 18167455296000.

The previous prime is 40423246355491. The next prime is 40423246355537. The reversal of 40423246355536 is 63555364232404.

It is a happy number.

It is a super-2 number, since 2×40423246355536² (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 (40423246355537) 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, 11478625 + ... + 14580991.

Almost surely, 2^{40423246355536} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40423246355536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43201864260864).

40423246355536 is an abundant number, since it is smaller than the sum of its proper divisors (45980482166192).

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

40423246355536 is a wasteful number, since it uses less digits than its factorization.

40423246355536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103220 (or 3103214 counting only the distinct ones).

The product of its (nonzero) digits is 31104000, while the sum is 52.

The spelling of 40423246355536 in words is "forty trillion, four hundred twenty-three billion, two hundred forty-six million, three hundred fifty-five thousand, five hundred thirty-six".