1005005450 has 24 divisors (see below), whose sum is σ = 1870192800. Its totient is φ = 401812400.

The previous prime is 1005005431. The next prime is 1005005459. The reversal of 1005005450 is 545005001.

It is not an unprimeable number, because it can be changed into a prime (1005005459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 156401 + ... + 162699.

It is an arithmetic number, because the mean of its divisors is an integer number (77924700).

Almost surely, 2^1005005450 is an apocalyptic number.

1005005450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1005005450 is a deficient number, since it is larger than the sum of its proper divisors (865187350).

1005005450 is a wasteful number, since it uses less digits than its factorization.

1005005450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9502 (or 9497 counting only the distinct ones).

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

The square root of 1005005450 is about 31701.8209256188. The cubic root of 1005005450 is about 1001.6657072123.

The spelling of 1005005450 in words is "one billion, five million, five thousand, four hundred fifty".