40304420000 has 120 divisors (see below), whose sum is σ = 106782909156. Its totient is φ = 14881536000.

The previous prime is 40304419973. The next prime is 40304420003. The reversal of 40304420000 is 2440304.

It can be written as a sum of positive squares in 10 ways, for example, as 18919452304 + 21384967696 = 137548^2 + 146236^2 .

It is not an unprimeable number, because it can be changed into a prime (40304420003) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 182492 + ... + 337508.

Almost surely, 2^40304420000 is an apocalyptic number.

40304420000 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 40304420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53391454578).

40304420000 is an abundant number, since it is smaller than the sum of its proper divisors (66478489156).

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

40304420000 is a wasteful number, since it uses less digits than its factorization.

40304420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155060 (or 155037 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 40304420000 its reverse (2440304), we get a palindrome (40306860304).

The spelling of 40304420000 in words is "forty billion, three hundred four million, four hundred twenty thousand".