655343340 has 24 divisors (see below), whose sum is σ = 1834961520. Its totient is φ = 174758208.

The previous prime is 655343333. The next prime is 655343369. The reversal of 655343340 is 43343556.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5461135 + ... + 5461254.

It is an arithmetic number, because the mean of its divisors is an integer number (76456730).

Almost surely, 2^655343340 is an apocalyptic number.

655343340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

655343340 is an abundant number, since it is smaller than the sum of its proper divisors (1179618180).

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

655343340 is a wasteful number, since it uses less digits than its factorization.

655343340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10922401 (or 10922399 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 33.

The square root of 655343340 is about 25599.6746073070. The cubic root of 655343340 is about 868.6062768643.

Adding to 655343340 its reverse (43343556), we get a palindrome (698686896).

The spelling of 655343340 in words is "six hundred fifty-five million, three hundred forty-three thousand, three hundred forty".