40244023243000 has 128 divisors (see below), whose sum is σ = 98277837840000. Its totient is φ = 15395765299200.

The previous prime is 40244023242947. The next prime is 40244023243009. The reversal of 40244023243000 is 34232044204.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40244023243000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40244023243009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188700426 + ... + 188913574.

It is an arithmetic number, because the mean of its divisors is an integer number (767795608125).

Almost surely, 2^{40244023243000} is an apocalyptic number.

40244023243000 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 40244023243000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49138918920000).

40244023243000 is an abundant number, since it is smaller than the sum of its proper divisors (58033814597000).

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

40244023243000 is a wasteful number, since it uses less digits than its factorization.

40244023243000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221402 (or 221388 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 40244023243000 its reverse (34232044204), we get a palindrome (40278255287204).

The spelling of 40244023243000 in words is "forty trillion, two hundred forty-four billion, twenty-three million, two hundred forty-three thousand".