1006631044 has 12 divisors (see below), whose sum is σ = 1779046668. Its totient is φ = 498332000.

The previous prime is 1006631027. The next prime is 1006631053. The reversal of 1006631044 is 4401366001.

It can be written as a sum of positive squares in 2 ways, for example, as 954068544 + 52562500 = 30888^2 + 7250^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1245427 + ... + 1246234.

It is an arithmetic number, because the mean of its divisors is an integer number (148253889).

Almost surely, 2^1006631044 is an apocalyptic number.

It is an amenable number.

1006631044 is a deficient number, since it is larger than the sum of its proper divisors (772415624).

1006631044 is a wasteful number, since it uses less digits than its factorization.

1006631044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491766 (or 2491764 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1006631044 is about 31727.4493774712. The cubic root of 1006631044 is about 1002.2054802808.

Adding to 1006631044 its reverse (4401366001), we get a palindrome (5407997045).

The spelling of 1006631044 in words is "one billion, six million, six hundred thirty-one thousand, forty-four".