354535044523320 has 128 divisors (see below), whose sum is σ = 1092652772451840. Its totient is φ = 91962076976640.

The previous prime is 354535044523241. The next prime is 354535044523333. The reversal of 354535044523320 is 23325440535453.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 354535044523320.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5066215 + ... + 27106025.

It is an arithmetic number, because the mean of its divisors is an integer number (8536349784780).

Almost surely, 2^{354535044523320} is an apocalyptic number.

354535044523320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354535044523320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546326386225920).

354535044523320 is an abundant number, since it is smaller than the sum of its proper divisors (738117727928520).

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

354535044523320 is a wasteful number, since it uses less digits than its factorization.

354535044523320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22043485 (or 22043481 counting only the distinct ones).

The product of its (nonzero) digits is 12960000, while the sum is 48.

The spelling of 354535044523320 in words is "three hundred fifty-four trillion, five hundred thirty-five billion, forty-four million, five hundred twenty-three thousand, three hundred twenty".