40440888080 has 20 divisors (see below), whose sum is σ = 94025064972. Its totient is φ = 16176355200.

The previous prime is 40440888077. The next prime is 40440888091. The reversal of 40440888080 is 8088804404.

It can be written as a sum of positive squares in 2 ways, for example, as 25692242944 + 14748645136 = 160288^2 + 121444^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252755471 + ... + 252755630.

Almost surely, 2^40440888080 is an apocalyptic number.

40440888080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40440888080 is an abundant number, since it is smaller than the sum of its proper divisors (53584176892).

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

40440888080 is a wasteful number, since it uses less digits than its factorization.

40440888080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505511114 (or 505511108 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 44.

The spelling of 40440888080 in words is "forty billion, four hundred forty million, eight hundred eighty-eight thousand, eighty".