355112240 has 80 divisors (see below), whose sum is σ = 947082240. Its totient is φ = 121301760.

The previous prime is 355112231. The next prime is 355112297. The reversal of 355112240 is 42211553.

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

It is a super-2 number, since 2×355112240² = 252209405995635200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173141 + ... + 175179.

It is an arithmetic number, because the mean of its divisors is an integer number (11838528).

Almost surely, 2^355112240 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 355112240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473541120).

355112240 is an abundant number, since it is smaller than the sum of its proper divisors (591970000).

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

355112240 is a wasteful number, since it uses less digits than its factorization.

355112240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370 (or 2364 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 355112240 is about 18844.4219863598. The cubic root of 355112240 is about 708.1444904968.

Adding to 355112240 its reverse (42211553), we get a palindrome (397323793).

The spelling of 355112240 in words is "three hundred fifty-five million, one hundred twelve thousand, two hundred forty".