40444342000 has 80 divisors (see below), whose sum is σ = 99397905984. Its totient is φ = 15912480000.

The previous prime is 40444341967. The next prime is 40444342009. The reversal of 40444342000 is 24344404.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40444342009) 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, 43756 + ... + 287755.

Almost surely, 2^40444342000 is an apocalyptic number.

40444342000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40444342000 is an abundant number, since it is smaller than the sum of its proper divisors (58953563984).

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

40444342000 is a wasteful number, since it uses less digits than its factorization.

40444342000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331595 (or 331579 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 40444342000 its reverse (24344404), we get a palindrome (40468686404).

The spelling of 40444342000 in words is "forty billion, four hundred forty-four million, three hundred forty-two thousand".