355012243520 has 112 divisors (see below), whose sum is σ = 922609044288. Its totient is φ = 129041602560.

The previous prime is 355012243513. The next prime is 355012243571. The reversal of 355012243520 is 25342210553.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8980919 + ... + 9020361.

Almost surely, 2^355012243520 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 355012243520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461304522144).

355012243520 is an abundant number, since it is smaller than the sum of its proper divisors (567596800768).

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

355012243520 is a wasteful number, since it uses less digits than its factorization.

355012243520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42028 (or 42018 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 355012243520 in words is "three hundred fifty-five billion, twelve million, two hundred forty-three thousand, five hundred twenty".