40555344144 has 80 divisors (see below), whose sum is σ = 119763921920. Its totient is φ = 11584425600.

The previous prime is 40555344139. The next prime is 40555344157. The reversal of 40555344144 is 44144355504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1651347 + ... + 1675725.

It is an arithmetic number, because the mean of its divisors is an integer number (1497049024).

Almost surely, 2^40555344144 is an apocalyptic number.

It is an amenable number.

40555344144 is an abundant number, since it is smaller than the sum of its proper divisors (79208577776).

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

40555344144 is a wasteful number, since it uses less digits than its factorization.

40555344144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29348 (or 29342 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 40555344144 its reverse (44144355504), we get a palindrome (84699699648).

The spelling of 40555344144 in words is "forty billion, five hundred fifty-five million, three hundred forty-four thousand, one hundred forty-four".