53242040320000 has 320 divisors, whose sum is σ = 152069525799840. Its totient is φ = 18254364672000.

The previous prime is 53242040319971. The next prime is 53242040320039. The reversal of 53242040320000 is 2304024235.

It is a tau number, because it is divible by the number of its divisors (320).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 143174307 + ... + 143545693.

Almost surely, 2^{53242040320000} is an apocalyptic number.

53242040320000 is a gapful number since it is divisible by the number (50) 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 53242040320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76034762899920).

53242040320000 is an abundant number, since it is smaller than the sum of its proper divisors (98827485479840).

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

53242040320000 is an frugal number, since it uses more digits than its factorization.

53242040320000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371444 (or 371401 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 53242040320000 its reverse (2304024235), we get a palindrome (53244344344235).

The spelling of 53242040320000 in words is "fifty-three trillion, two hundred forty-two billion, forty million, three hundred twenty thousand".