355214403212440 has 16 divisors (see below), whose sum is σ = 799232407228080. Its totient is φ = 142085761284960.

The previous prime is 355214403212437. The next prime is 355214403212441. The reversal of 355214403212440 is 44212304412553.

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 8880360080311 = 355214403212440 / (3 + 5 + 5 + 2 + 1 + 4 + 4 + 0 + 3 + 2 + 1 + 2 + 4 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 355214403212393 and 355214403212402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (355214403212441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4440180040116 + ... + 4440180040195.

It is an arithmetic number, because the mean of its divisors is an integer number (49952025451755).

Almost surely, 2^{355214403212440} is an apocalyptic number.

It is an amenable number.

355214403212440 is an abundant number, since it is smaller than the sum of its proper divisors (444018004015640).

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

355214403212440 is a wasteful number, since it uses less digits than its factorization.

355214403212440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880360080322 (or 8880360080318 counting only the distinct ones).

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

Adding to 355214403212440 its reverse (44212304412553), we get a palindrome (399426707624993).

The spelling of 355214403212440 in words is "three hundred fifty-five trillion, two hundred fourteen billion, four hundred three million, two hundred twelve thousand, four hundred forty".