355644042 has 16 divisors (see below), whose sum is σ = 766002720. Its totient is φ = 109428912.

The previous prime is 355644031. The next prime is 355644049. The reversal of 355644042 is 240446553.

It is a super-2 number, since 2×355644042² = 252965369220195528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 355643994 and 355644012.

It is not an unprimeable number, because it can be changed into a prime (355644049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2279692 + ... + 2279847.

It is an arithmetic number, because the mean of its divisors is an integer number (47875170).

Almost surely, 2^355644042 is an apocalyptic number.

355644042 is an abundant number, since it is smaller than the sum of its proper divisors (410358678).

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

355644042 is a wasteful number, since it uses less digits than its factorization.

355644042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4559557.

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 355644042 is about 18858.5270368605. The cubic root of 355644042 is about 708.4978105462.

The spelling of 355644042 in words is "three hundred fifty-five million, six hundred forty-four thousand, forty-two".