1002388255 has 32 divisors (see below), whose sum is σ = 1434267648. Its totient is φ = 663974400.

The previous prime is 1002388181. The next prime is 1002388259. The reversal of 1002388255 is 5528832001.

It is not a de Polignac number, because 1002388255 - 2¹⁷ = 1002257183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1002388255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002388259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11694 + ... + 46276.

It is an arithmetic number, because the mean of its divisors is an integer number (44820864).

Almost surely, 2^1002388255 is an apocalyptic number.

1002388255 is a deficient number, since it is larger than the sum of its proper divisors (431879393).

1002388255 is a wasteful number, since it uses less digits than its factorization.

1002388255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34647.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 1002388255 is about 31660.5157096343. The cubic root of 1002388255 is about 1000.7954520882.

The spelling of 1002388255 in words is "one billion, two million, three hundred eighty-eight thousand, two hundred fifty-five".