13552072320 has 256 divisors, whose sum is σ = 44175922560. Its totient is φ = 3532800000.

The previous prime is 13552072307. The next prime is 13552072321. The reversal of 13552072320 is 2327025531.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (13552072321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29396890 + ... + 29397350.

Almost surely, 2^13552072320 is an apocalyptic number.

13552072320 is a gapful number since it is divisible by the number (10) 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 13552072320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22087961280).

13552072320 is an abundant number, since it is smaller than the sum of its proper divisors (30623850240).

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

13552072320 is a wasteful number, since it uses less digits than its factorization.

13552072320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 795 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

Adding to 13552072320 its reverse (2327025531), we get a palindrome (15879097851).

The spelling of 13552072320 in words is "thirteen billion, five hundred fifty-two million, seventy-two thousand, three hundred twenty".