355245123410320 has 320 divisors, whose sum is σ = 972481757184000. Its totient is φ = 118980167915520.

The previous prime is 355245123410267. The next prime is 355245123410323. The reversal of 355245123410320 is 23014321542553.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (355245123410323) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27755687281 + ... + 27755700079.

It is an arithmetic number, because the mean of its divisors is an integer number (3039005491200).

Almost surely, 2^{355245123410320} 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 355245123410320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (486240878592000).

355245123410320 is an abundant number, since it is smaller than the sum of its proper divisors (617236633773680).

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

355245123410320 is a wasteful number, since it uses less digits than its factorization.

355245123410320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17998 (or 17992 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

Adding to 355245123410320 its reverse (23014321542553), we get a palindrome (378259444952873).

The spelling of 355245123410320 in words is "three hundred fifty-five trillion, two hundred forty-five billion, one hundred twenty-three million, four hundred ten thousand, three hundred twenty".