40002422000 has 80 divisors (see below), whose sum is σ = 97464860064. Its totient is φ = 15878720000.

The previous prime is 40002421993. The next prime is 40002422021. The reversal of 40002422000 is 22420004.

It is a happy number.

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

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 15 ways as a sum of consecutive naturals, for example, 185660 + ... + 338340.

Almost surely, 2^40002422000 is an apocalyptic number.

40002422000 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 40002422000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48732430032).

40002422000 is an abundant number, since it is smaller than the sum of its proper divisors (57462438064).

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

40002422000 is a wasteful number, since it uses less digits than its factorization.

40002422000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152835 (or 152819 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 40002422000 its reverse (22420004), we get a palindrome (40024842004).

The spelling of 40002422000 in words is "forty billion, two million, four hundred twenty-two thousand".