355345638280 has 32 divisors (see below), whose sum is σ = 834289761600. Its totient is φ = 135958330816.

The previous prime is 355345638169. The next prime is 355345638287. The reversal of 355345638280 is 82836543553.

It is not an unprimeable number, because it can be changed into a prime (355345638287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193121710 + ... + 193123549.

It is an arithmetic number, because the mean of its divisors is an integer number (26071555050).

Almost surely, 2^355345638280 is an apocalyptic number.

It is an amenable number.

355345638280 is an abundant number, since it is smaller than the sum of its proper divisors (478944123320).

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

355345638280 is a wasteful number, since it uses less digits than its factorization.

355345638280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386245293 (or 386245289 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 52.

The spelling of 355345638280 in words is "three hundred fifty-five billion, three hundred forty-five million, six hundred thirty-eight thousand, two hundred eighty".