40043223000000 has 1176 divisors, whose sum is σ = 157006542478032. Its totient is φ = 9676800000000.

The previous prime is 40043222999947. The next prime is 40043223000007. The reversal of 40043223000000 is 32234004.

40043223000000 is a `hidden beast` number, since 4 + 0 + 0 + 432 + 230 + 0 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40043223000007) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 57122999650 + ... + 57123000350.

Almost surely, 2^{40043223000000} is an apocalyptic number.

40043223000000 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 40043223000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78503271239016).

40043223000000 is an abundant number, since it is smaller than the sum of its proper divisors (116963319478032).

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

40043223000000 is an equidigital number, since it uses as much as digits as its factorization.

40043223000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337 (or 1299 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 40043223000000 its reverse (32234004), we get a palindrome (40043255234004).

It can be divided in two parts, 400432 and 23000000, that added together give a palindrome (23400432).

The spelling of 40043223000000 in words is "forty trillion, forty-three billion, two hundred twenty-three million", and thus it is an aban number.