40004440880 has 40 divisors (see below), whose sum is σ = 93157844064. Its totient is φ = 15976396800.

The previous prime is 40004440793. The next prime is 40004440909. The reversal of 40004440880 is 8804440004.

It is a happy number.

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

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, 345761 + ... + 446720.

Almost surely, 2^40004440880 is an apocalyptic number.

40004440880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40004440880 is an abundant number, since it is smaller than the sum of its proper divisors (53153403184).

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

40004440880 is a wasteful number, since it uses less digits than its factorization.

40004440880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793125 (or 793119 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

Adding to 40004440880 its reverse (8804440004), we get a palindrome (48808880884).

The spelling of 40004440880 in words is "forty billion, four million, four hundred forty thousand, eight hundred eighty".