353640342442 has 16 divisors (see below), whose sum is σ = 547641792000. Its totient is φ = 171094529520.

The previous prime is 353640342437. The next prime is 353640342491. The reversal of 353640342442 is 244243046353.

It is a super-2 number, since 2×353640342442² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 353640342395 and 353640342404.

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, 134059 + ... + 851617.

It is an arithmetic number, because the mean of its divisors is an integer number (34227612000).

Almost surely, 2^353640342442 is an apocalyptic number.

353640342442 is a deficient number, since it is larger than the sum of its proper divisors (194001449558).

353640342442 is a wasteful number, since it uses less digits than its factorization.

353640342442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725541.

The product of its (nonzero) digits is 829440, while the sum is 40.

Adding to 353640342442 its reverse (244243046353), we get a palindrome (597883388795).

The spelling of 353640342442 in words is "three hundred fifty-three billion, six hundred forty million, three hundred forty-two thousand, four hundred forty-two".