40002320342000 has 40 divisors (see below), whose sum is σ = 96725610591792. Its totient is φ = 16000928136000.

The previous prime is 40002320341889. The next prime is 40002320342029. The reversal of 40002320342000 is 24302320004.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10000578086 + ... + 10000582085.

Almost surely, 2^{40002320342000} is an apocalyptic number.

40002320342000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40002320342000 is an abundant number, since it is smaller than the sum of its proper divisors (56723290249792).

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

40002320342000 is a wasteful number, since it uses less digits than its factorization.

40002320342000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20001160194 (or 20001160178 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 40002320342000 its reverse (24302320004), we get a palindrome (40026622662004).

The spelling of 40002320342000 in words is "forty trillion, two billion, three hundred twenty million, three hundred forty-two thousand".