255646002 has 16 divisors (see below), whose sum is σ = 515818080. Its totient is φ = 84460992.

The previous prime is 255645979. The next prime is 255646009. The reversal of 255646002 is 200646552.

It is not an unprimeable number, because it can be changed into a prime (255646009) 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, 187852 + ... + 189207.

It is an arithmetic number, because the mean of its divisors is an integer number (32238630).

Almost surely, 2^255646002 is an apocalyptic number.

255646002 is an abundant number, since it is smaller than the sum of its proper divisors (260172078).

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

255646002 is a wasteful number, since it uses less digits than its factorization.

255646002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377177.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 255646002 is about 15988.9337355560. The cubic root of 255646002 is about 634.6676103638.

The spelling of 255646002 in words is "two hundred fifty-five million, six hundred forty-six thousand, two".