355004040104220 has 96 divisors (see below), whose sum is σ = 1126814443130880. Its totient is φ = 82786367243520.

The previous prime is 355004040104123. The next prime is 355004040104221. The reversal of 355004040104220 is 22401040400553.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355004040104221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11977179516 + ... + 11977209155.

It is an arithmetic number, because the mean of its divisors is an integer number (11737650449280).

Almost surely, 2^{355004040104220} is an apocalyptic number.

355004040104220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

355004040104220 is an abundant number, since it is smaller than the sum of its proper divisors (771810403026660).

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

355004040104220 is a wasteful number, since it uses less digits than its factorization.

355004040104220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23954388715 (or 23954388713 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 355004040104220 its reverse (22401040400553), we get a palindrome (377405080504773).

The spelling of 355004040104220 in words is "three hundred fifty-five trillion, four billion, forty million, one hundred four thousand, two hundred twenty".