353366221240 has 32 divisors (see below), whose sum is σ = 795102804000. Its totient is φ = 141341367424.

The previous prime is 353366221237. The next prime is 353366221259. The reversal of 353366221240 is 42122663353.

It is a self number, because there is not a number n which added to its sum of digits gives 353366221240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1075581 + ... + 1365139.

It is an arithmetic number, because the mean of its divisors is an integer number (24846962625).

Almost surely, 2^353366221240 is an apocalyptic number.

It is an amenable number.

353366221240 is an abundant number, since it is smaller than the sum of its proper divisors (441736582760).

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

353366221240 is a wasteful number, since it uses less digits than its factorization.

353366221240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320079 (or 320075 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 353366221240 its reverse (42122663353), we get a palindrome (395488884593).

The spelling of 353366221240 in words is "three hundred fifty-three billion, three hundred sixty-six million, two hundred twenty-one thousand, two hundred forty".