1002555260 has 24 divisors (see below), whose sum is σ = 2406132960. Its totient is φ = 343733184.

The previous prime is 1002555251. The next prime is 1002555269. The reversal of 1002555260 is 625552001.

It is an interprime number because it is at equal distance from previous prime (1002555251) and next prime (1002555269).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002555269) 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, 3580415 + ... + 3580694.

It is an arithmetic number, because the mean of its divisors is an integer number (100255540).

Almost surely, 2^1002555260 is an apocalyptic number.

1002555260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1002555260 is an abundant number, since it is smaller than the sum of its proper divisors (1403577700).

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

1002555260 is a wasteful number, since it uses less digits than its factorization.

1002555260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7161125 (or 7161123 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1002555260 is about 31663.1530331393. The cubic root of 1002555260 is about 1000.8510288777.

The spelling of 1002555260 in words is "one billion, two million, five hundred fifty-five thousand, two hundred sixty".