655963042 has 16 divisors (see below), whose sum is σ = 1130794560. Its totient is φ = 279555408.

The previous prime is 655962997. The next prime is 655963043. The reversal of 655963042 is 240369556.

It is a junction number, because it is equal to n+sod(n) for n = 655962986 and 655963004.

It is not an unprimeable number, because it can be changed into a prime (655963043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128373 + ... + 133384.

It is an arithmetic number, because the mean of its divisors is an integer number (70674660).

Almost surely, 2^655963042 is an apocalyptic number.

655963042 is a deficient number, since it is larger than the sum of its proper divisors (474831518).

655963042 is a wasteful number, since it uses less digits than its factorization.

655963042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261945.

The product of its (nonzero) digits is 194400, while the sum is 40.

The square root of 655963042 is about 25611.7754558328. The cubic root of 655963042 is about 868.8799794340.

The spelling of 655963042 in words is "six hundred fifty-five million, nine hundred sixty-three thousand, forty-two".