355944490 has 24 divisors (see below), whose sum is σ = 704242980. Its totient is φ = 129433920.

The previous prime is 355944469. The next prime is 355944517. The reversal of 355944490 is 94449553.

It can be written as a sum of positive squares in 2 ways, for example, as 287336401 + 68608089 = 16951^2 + 8283^2 .

It is a super-2 number, since 2×355944490² = 253392959922720200, which contains 22 as substring.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 145875 + ... + 148294.

Almost surely, 2^355944490 is an apocalyptic number.

355944490 is a deficient number, since it is larger than the sum of its proper divisors (348298490).

355944490 is a wasteful number, since it uses less digits than its factorization.

355944490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294198 (or 294187 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 43.

The square root of 355944490 is about 18866.4911947081. The cubic root of 355944490 is about 708.6972673156.

It can be divided in two parts, 3559 and 44490, that multiplied together give a triangular number (158339910 = T₁₇₇₉₅).

The spelling of 355944490 in words is "three hundred fifty-five million, nine hundred forty-four thousand, four hundred ninety".