40553313320 has 128 divisors (see below), whose sum is σ = 100878220800. Its totient is φ = 14580393984.

The previous prime is 40553313319. The next prime is 40553313331. The reversal of 40553313320 is 2331335504.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2992079 + ... + 3005601.

It is an arithmetic number, because the mean of its divisors is an integer number (788111100).

Almost surely, 2^40553313320 is an apocalyptic number.

40553313320 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 40553313320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50439110400).

40553313320 is an abundant number, since it is smaller than the sum of its proper divisors (60324907480).

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

40553313320 is a wasteful number, since it uses less digits than its factorization.

40553313320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13699 (or 13695 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 29.

Adding to 40553313320 its reverse (2331335504), we get a palindrome (42884648824).

The spelling of 40553313320 in words is "forty billion, five hundred fifty-three million, three hundred thirteen thousand, three hundred twenty".