40143320445000 has 160 divisors (see below), whose sum is σ = 125424407592000. Its totient is φ = 10703462112000.

The previous prime is 40143320444999. The next prime is 40143320445001. The reversal of 40143320445000 is 54402334104.

It is an interprime number because it is at equal distance from previous prime (40143320444999) and next prime (40143320445001).

It is a super-2 number, since 2×40143320445000² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (40143320445001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 115130926 + ... + 115479074.

It is an arithmetic number, because the mean of its divisors is an integer number (783902547450).

Almost surely, 2^{40143320445000} is an apocalyptic number.

40143320445000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40143320445000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62712203796000).

40143320445000 is an abundant number, since it is smaller than the sum of its proper divisors (85281087147000).

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

40143320445000 is a wasteful number, since it uses less digits than its factorization.

40143320445000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355865 (or 355846 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 40143320445000 its reverse (54402334104), we get a palindrome (40197722779104).

The spelling of 40143320445000 in words is "forty trillion, one hundred forty-three billion, three hundred twenty million, four hundred forty-five thousand".