40002343000 has 128 divisors (see below), whose sum is σ = 99425102400. Its totient is φ = 15012096000.

The previous prime is 40002342979. The next prime is 40002343013. The reversal of 40002343000 is 34320004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5623446 + ... + 5630554.

Almost surely, 2^40002343000 is an apocalyptic number.

40002343000 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 40002343000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49712551200).

40002343000 is an abundant number, since it is smaller than the sum of its proper divisors (59422759400).

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

40002343000 is a wasteful number, since it uses less digits than its factorization.

40002343000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7478 (or 7464 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 40002343000 its reverse (34320004), we get a palindrome (40036663004).

The spelling of 40002343000 in words is "forty billion, two million, three hundred forty-three thousand".