1000550450 has 48 divisors (see below), whose sum is σ = 1974635520. Its totient is φ = 376125120.

The previous prime is 1000550449. The next prime is 1000550459. The reversal of 1000550450 is 540550001.

It is a super-2 number, since 2×1000550450² = 2002202405990405000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1000550459) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 116504 + ... + 124796.

It is an arithmetic number, because the mean of its divisors is an integer number (41138240).

Almost surely, 2^1000550450 is an apocalyptic number.

1000550450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000550450 is a deficient number, since it is larger than the sum of its proper divisors (974085070).

1000550450 is a wasteful number, since it uses less digits than its factorization.

1000550450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8451 (or 8446 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 1000550450 is about 31631.4787830098. The cubic root of 1000550450 is about 1000.1834496775.

The spelling of 1000550450 in words is "one billion, five hundred fifty thousand, four hundred fifty".