40555898880 has 384 divisors, whose sum is σ = 149684371200. Its totient is φ = 9182380032.

The previous prime is 40555898869. The next prime is 40555898899. The reversal of 40555898880 is 8889855504.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (60).

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 31 ways as a sum of consecutive naturals, for example, 24298686 + ... + 24300354.

It is an arithmetic number, because the mean of its divisors is an integer number (389803050).

Almost surely, 2^40555898880 is an apocalyptic number.

40555898880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40555898880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74842185600).

40555898880 is an abundant number, since it is smaller than the sum of its proper divisors (109128472320).

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

40555898880 is a wasteful number, since it uses less digits than its factorization.

40555898880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819 (or 1799 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 60.

The spelling of 40555898880 in words is "forty billion, five hundred fifty-five million, eight hundred ninety-eight thousand, eight hundred eighty".