655462742 has 32 divisors (see below), whose sum is σ = 1107181440. Its totient is φ = 288478080.

The previous prime is 655462739. The next prime is 655462781. The reversal of 655462742 is 247264556.

It is a self number, because there is not a number n which added to its sum of digits gives 655462742.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 83198 + ... + 90734.

It is an arithmetic number, because the mean of its divisors is an integer number (34599420).

Almost surely, 2^655462742 is an apocalyptic number.

655462742 is a deficient number, since it is larger than the sum of its proper divisors (451718698).

655462742 is a wasteful number, since it uses less digits than its factorization.

655462742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7676.

The product of its digits is 403200, while the sum is 41.

The square root of 655462742 is about 25602.0066010459. The cubic root of 655462742 is about 868.6590263277.

It can be divided in two parts, 6554 and 62742, that added together give a palindrome (69296).

The spelling of 655462742 in words is "six hundred fifty-five million, four hundred sixty-two thousand, seven hundred forty-two".