1005450426 has 24 divisors (see below), whose sum is σ = 2183818260. Its totient is φ = 334328256.

The previous prime is 1005450409. The next prime is 1005450427. The reversal of 1005450426 is 6240545001.

1005450426 is a `hidden beast` number, since 100 + 54 + 504 + 2 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1004953401 + 497025 = 31701^2 + 705^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1005450426.

It is not an unprimeable number, because it can be changed into a prime (1005450427) 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, 60925 + ... + 75648.

Almost surely, 2^1005450426 is an apocalyptic number.

1005450426 is an abundant number, since it is smaller than the sum of its proper divisors (1178367834).

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

1005450426 is a wasteful number, since it uses less digits than its factorization.

1005450426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136990 (or 136987 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 1005450426 is about 31708.8382947089. The cubic root of 1005450426 is about 1001.8135178316.

Adding to 1005450426 its reverse (6240545001), we get a palindrome (7245995427).

The spelling of 1005450426 in words is "one billion, five million, four hundred fifty thousand, four hundred twenty-six".