353424131440 has 20 divisors (see below), whose sum is σ = 821711105784. Its totient is φ = 141369652544.

The previous prime is 353424131429. The next prime is 353424131497. The reversal of 353424131440 is 44131424353.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 353424131396 and 353424131405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2208900742 + ... + 2208900901.

Almost surely, 2^353424131440 is an apocalyptic number.

It is an amenable number.

353424131440 is an abundant number, since it is smaller than the sum of its proper divisors (468286974344).

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

353424131440 is a wasteful number, since it uses less digits than its factorization.

353424131440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4417801656 (or 4417801650 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 353424131440 its reverse (44131424353), we get a palindrome (397555555793).

The spelling of 353424131440 in words is "three hundred fifty-three billion, four hundred twenty-four million, one hundred thirty-one thousand, four hundred forty".