1000550430 has 96 divisors (see below), whose sum is σ = 2891622240. Its totient is φ = 237968640.

The previous prime is 1000550417. The next prime is 1000550437. The reversal of 1000550430 is 340550001.

1000550430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1000550430² = 2002202325946369800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000550437) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42936 + ... + 62004.

It is an arithmetic number, because the mean of its divisors is an integer number (30121065).

Almost surely, 2^1000550430 is an apocalyptic number.

1000550430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000550430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1445811120).

1000550430 is an abundant number, since it is smaller than the sum of its proper divisors (1891071810).

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

1000550430 is a wasteful number, since it uses less digits than its factorization.

1000550430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19146 (or 19143 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1000550430 is about 31631.4784668690. The cubic root of 1000550430 is about 1000.1834430133.

The spelling of 1000550430 in words is "one billion, five hundred fifty thousand, four hundred thirty".