40844440880 has 40 divisors (see below), whose sum is σ = 94971786000. Its totient is φ = 16336320768.

The previous prime is 40844440853. The next prime is 40844440919. The reversal of 40844440880 is 8804444804.

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

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 7 ways as a sum of consecutive naturals, for example, 1599251 + ... + 1624589.

It is an arithmetic number, because the mean of its divisors is an integer number (2374294650).

Almost surely, 2^40844440880 is an apocalyptic number.

40844440880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40844440880 is an abundant number, since it is smaller than the sum of its proper divisors (54127345120).

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

40844440880 is a wasteful number, since it uses less digits than its factorization.

40844440880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45501 (or 45495 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 44.

The spelling of 40844440880 in words is "forty billion, eight hundred forty-four million, four hundred forty thousand, eight hundred eighty".