1026506550 has 24 divisors (see below), whose sum is σ = 2545736616. Its totient is φ = 273735040.

The previous prime is 1026506543. The next prime is 1026506557. The reversal of 1026506550 is 556056201.

It is an interprime number because it is at equal distance from previous prime (1026506543) and next prime (1026506557).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1026506557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3421539 + ... + 3421838.

It is an arithmetic number, because the mean of its divisors is an integer number (106072359).

Almost surely, 2^1026506550 is an apocalyptic number.

1026506550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1026506550 is an abundant number, since it is smaller than the sum of its proper divisors (1519230066).

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

1026506550 is a wasteful number, since it uses less digits than its factorization.

1026506550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6843392 (or 6843387 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 1026506550 is about 32039.1409060855. The cubic root of 1026506550 is about 1008.7585799786.

The spelling of 1026506550 in words is "one billion, twenty-six million, five hundred six thousand, five hundred fifty".