40304423320 has 64 divisors (see below), whose sum is σ = 104385657600. Its totient is φ = 13719231360.

The previous prime is 40304423317. The next prime is 40304423333. The reversal of 40304423320 is 2332440304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478866 + ... + 556705.

It is an arithmetic number, because the mean of its divisors is an integer number (1631025900).

Almost surely, 2^40304423320 is an apocalyptic number.

40304423320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40304423320 is an abundant number, since it is smaller than the sum of its proper divisors (64081234280).

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

40304423320 is a wasteful number, since it uses less digits than its factorization.

40304423320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035728 (or 1035724 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 40304423320 its reverse (2332440304), we get a palindrome (42636863624).

The spelling of 40304423320 in words is "forty billion, three hundred four million, four hundred twenty-three thousand, three hundred twenty".