4551320253324 has 96 divisors (see below), whose sum is σ = 11471579771904. Its totient is φ = 1396131010560.

The previous prime is 4551320253317. The next prime is 4551320253367. The reversal of 4551320253324 is 4233520231554.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464273407 + ... + 464283209.

It is an arithmetic number, because the mean of its divisors is an integer number (119495622624).

Almost surely, 2^{4551320253324} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4551320253324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5735789885952).

4551320253324 is an abundant number, since it is smaller than the sum of its proper divisors (6920259518580).

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

4551320253324 is a wasteful number, since it uses less digits than its factorization.

4551320253324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18607 (or 18605 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 4551320253324 its reverse (4233520231554), we get a palindrome (8784840484878).

The spelling of 4551320253324 in words is "four trillion, five hundred fifty-one billion, three hundred twenty million, two hundred fifty-three thousand, three hundred twenty-four".