1007990050 has 24 divisors (see below), whose sum is σ = 1894199076. Its totient is φ = 399037440.

The previous prime is 1007990029. The next prime is 1007990051. The reversal of 1007990050 is 500997001.

It can be written as a sum of positive squares in 6 ways, for example, as 378030249 + 629959801 = 19443^2 + 25099^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1007989994 and 1007990021.

It is not an unprimeable number, because it can be changed into a prime (1007990051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99067 + ... + 108766.

Almost surely, 2^1007990050 is an apocalyptic number.

1007990050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1007990050 is a deficient number, since it is larger than the sum of its proper divisors (886209026).

1007990050 is a wasteful number, since it uses less digits than its factorization.

1007990050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207942 (or 207937 counting only the distinct ones).

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 1007990050 is about 31748.8590346173. The cubic root of 1007990050 is about 1002.6562878872.

The spelling of 1007990050 in words is "one billion, seven million, nine hundred ninety thousand, fifty".