353440401520120 has 64 divisors (see below), whose sum is σ = 801913481625600. Its totient is φ = 140191065705600.

The previous prime is 353440401520103. The next prime is 353440401520123. The reversal of 353440401520120 is 21025104044353.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (353440401520123) 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, 7919490 + ... + 27741649.

It is an arithmetic number, because the mean of its divisors is an integer number (12529898150400).

Almost surely, 2^{353440401520120} is an apocalyptic number.

It is an amenable number.

353440401520120 is an abundant number, since it is smaller than the sum of its proper divisors (448473080105480).

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

353440401520120 is a wasteful number, since it uses less digits than its factorization.

353440401520120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35663228 (or 35663224 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 353440401520120 its reverse (21025104044353), we get a palindrome (374465505564473).

The spelling of 353440401520120 in words is "three hundred fifty-three trillion, four hundred forty billion, four hundred one million, five hundred twenty thousand, one hundred twenty".