40442023000 has 128 divisors (see below), whose sum is σ = 95879946240. Its totient is φ = 15965040000.

The previous prime is 40442022989. The next prime is 40442023019. The reversal of 40442023000 is 32024404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44392545 + ... + 44393455.

It is an arithmetic number, because the mean of its divisors is an integer number (749062080).

Almost surely, 2^40442023000 is an apocalyptic number.

40442023000 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 40442023000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47939973120).

40442023000 is an abundant number, since it is smaller than the sum of its proper divisors (55437923240).

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

40442023000 is a wasteful number, since it uses less digits than its factorization.

40442023000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466 (or 1452 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 40442023000 its reverse (32024404), we get a palindrome (40474047404).

The spelling of 40442023000 in words is "forty billion, four hundred forty-two million, twenty-three thousand".