40551113120 has 96 divisors (see below), whose sum is σ = 109535545728. Its totient is φ = 13897202688.

The previous prime is 40551113117. The next prime is 40551113129. The reversal of 40551113120 is 2131115504.

It is a super-2 number, since 2×40551113120² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40551113129) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3132902 + ... + 3145818.

It is an arithmetic number, because the mean of its divisors is an integer number (1140995268).

Almost surely, 2^40551113120 is an apocalyptic number.

40551113120 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 40551113120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54767772864).

40551113120 is an abundant number, since it is smaller than the sum of its proper divisors (68984432608).

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

40551113120 is a wasteful number, since it uses less digits than its factorization.

40551113120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15742 (or 15734 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 40551113120 its reverse (2131115504), we get a palindrome (42682228624).

The spelling of 40551113120 in words is "forty billion, five hundred fifty-one million, one hundred thirteen thousand, one hundred twenty".