40521328080 has 80 divisors (see below), whose sum is σ = 127986272640. Its totient is φ = 10601803264.

The previous prime is 40521328051. The next prime is 40521328093. The reversal of 40521328080 is 8082312504.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580100 + ... + 1605539.

It is an arithmetic number, because the mean of its divisors is an integer number (1599828408).

Almost surely, 2^40521328080 is an apocalyptic number.

40521328080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40521328080 is an abundant number, since it is smaller than the sum of its proper divisors (87464944560).

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

40521328080 is a wasteful number, since it uses less digits than its factorization.

40521328080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3185708 (or 3185702 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The spelling of 40521328080 in words is "forty billion, five hundred twenty-one million, three hundred twenty-eight thousand, eighty".