355214223104440 has 64 divisors (see below), whose sum is σ = 917328208455360. Its totient is φ = 121265039477760.

The previous prime is 355214223104401. The next prime is 355214223104441. The reversal of 355214223104440 is 44401322412553.

It is a super-2 number, since 2×355214223104440² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 355214223104393 and 355214223104402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355214223104441) 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, 2722300051 + ... + 2722430530.

It is an arithmetic number, because the mean of its divisors is an integer number (14333253257115).

Almost surely, 2^{355214223104440} is an apocalyptic number.

It is an amenable number.

355214223104440 is an abundant number, since it is smaller than the sum of its proper divisors (562113985350920).

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

355214223104440 is a wasteful number, since it uses less digits than its factorization.

355214223104440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5444730832 (or 5444730828 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

Adding to 355214223104440 its reverse (44401322412553), we get a palindrome (399615545516993).

The spelling of 355214223104440 in words is "three hundred fifty-five trillion, two hundred fourteen billion, two hundred twenty-three million, one hundred four thousand, four hundred forty".