355455100240 has 80 divisors (see below), whose sum is σ = 846018904896. Its totient is φ = 138815308800.

The previous prime is 355455100229. The next prime is 355455100241. The reversal of 355455100240 is 42001554553.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 355455100196 and 355455100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355455100241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8375875 + ... + 8418205.

Almost surely, 2^355455100240 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 355455100240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423009452448).

355455100240 is an abundant number, since it is smaller than the sum of its proper divisors (490563804656).

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

355455100240 is a wasteful number, since it uses less digits than its factorization.

355455100240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44828 (or 44822 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 355455100240 its reverse (42001554553), we get a palindrome (397456654793).

The spelling of 355455100240 in words is "three hundred fifty-five billion, four hundred fifty-five million, one hundred thousand, two hundred forty".