355541542132220 has 96 divisors (see below), whose sum is σ = 764674103058432. Its totient is φ = 138818512800000.

The previous prime is 355541542132213. The next prime is 355541542132247. The reversal of 355541542132220 is 22231245145553.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181588265 + ... + 183535775.

It is an arithmetic number, because the mean of its divisors is an integer number (7965355240192).

Almost surely, 2^{355541542132220} is an apocalyptic number.

It is an amenable number.

355541542132220 is an abundant number, since it is smaller than the sum of its proper divisors (409132560926212).

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

355541542132220 is a wasteful number, since it uses less digits than its factorization.

355541542132220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1948723 (or 1948721 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 355541542132220 its reverse (22231245145553), we get a palindrome (377772787277773).

The spelling of 355541542132220 in words is "three hundred fifty-five trillion, five hundred forty-one billion, five hundred forty-two million, one hundred thirty-two thousand, two hundred twenty".