355220402042 has 24 divisors (see below), whose sum is σ = 585779203296. Its totient is φ = 161434625000.

The previous prime is 355220402003. The next prime is 355220402051. The reversal of 355220402042 is 240204022553.

It is a junction number, because it is equal to n+sod(n) for n = 355220401996 and 355220402014.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1237667 + ... + 1497417.

It is an arithmetic number, because the mean of its divisors is an integer number (24407466804).

Almost surely, 2^355220402042 is an apocalyptic number.

355220402042 is a deficient number, since it is larger than the sum of its proper divisors (230558801254).

355220402042 is a wasteful number, since it uses less digits than its factorization.

355220402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265426 (or 265415 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

Adding to 355220402042 its reverse (240204022553), we get a palindrome (595424424595).

The spelling of 355220402042 in words is "three hundred fifty-five billion, two hundred twenty million, four hundred two thousand, forty-two".