4045523112120 has 256 divisors, whose sum is σ = 14196467450880. Its totient is φ = 902961561600.

The previous prime is 4045523112109. The next prime is 4045523112161. The reversal of 4045523112120 is 212113255404.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 175567800 + ... + 175590840.

It is an arithmetic number, because the mean of its divisors is an integer number (55454950980).

Almost surely, 2^{4045523112120} is an apocalyptic number.

4045523112120 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 4045523112120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7098233725440).

4045523112120 is an abundant number, since it is smaller than the sum of its proper divisors (10150944338760).

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

4045523112120 is a wasteful number, since it uses less digits than its factorization.

4045523112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27966 (or 27962 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 4045523112120 its reverse (212113255404), we get a palindrome (4257636367524).

The spelling of 4045523112120 in words is "four trillion, forty-five billion, five hundred twenty-three million, one hundred twelve thousand, one hundred twenty".