40044440480080 has 20 divisors (see below), whose sum is σ = 93103324116372. Its totient is φ = 16017776192000.

The previous prime is 40044440480053. The next prime is 40044440480129. The reversal of 40044440480080 is 8008404444004.

It can be written as a sum of positive squares in 2 ways, for example, as 4075585740864 + 35968854739216 = 2018808^2 + 5997404^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250277752921 + ... + 250277753080.

Almost surely, 2^{40044440480080} is an apocalyptic number.

40044440480080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40044440480080 is an abundant number, since it is smaller than the sum of its proper divisors (53058883636292).

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

40044440480080 is a wasteful number, since it uses less digits than its factorization.

40044440480080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500555506014 (or 500555506008 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

The spelling of 40044440480080 in words is "forty trillion, forty-four billion, four hundred forty million, four hundred eighty thousand, eighty".