655446442 has 36 divisors (see below), whose sum is σ = 1166162886. Its totient is φ = 275489760.

The previous prime is 655446367. The next prime is 655446481. The reversal of 655446442 is 244644556.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 480968761 + 174477681 = 21931^2 + 13209^2 .

It is a super-2 number, since 2×655446442² = 859220076660918728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 655446395 and 655446404.

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 17 ways as a sum of consecutive naturals, for example, 274092 + ... + 276472.

Almost surely, 2^655446442 is an apocalyptic number.

655446442 is a deficient number, since it is larger than the sum of its proper divisors (510716444).

655446442 is a wasteful number, since it uses less digits than its factorization.

655446442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2503 (or 2443 counting only the distinct ones).

The product of its digits is 460800, while the sum is 40.

The square root of 655446442 is about 25601.6882646438. The cubic root of 655446442 is about 868.6518256847.

The spelling of 655446442 in words is "six hundred fifty-five million, four hundred forty-six thousand, four hundred forty-two".