1049844890 has 32 divisors (see below), whose sum is σ = 1994077440. Its totient is φ = 397158784.

The previous prime is 1049844869. The next prime is 1049844931. The reversal of 1049844890 is 984489401.

It is a super-2 number, since 2×1049844890² = 2204348586118224200, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5174 + ... + 46113.

It is an arithmetic number, because the mean of its divisors is an integer number (62314920).

Almost surely, 2^1049844890 is an apocalyptic number.

1049844890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1049844890 is a deficient number, since it is larger than the sum of its proper divisors (944232550).

1049844890 is a wasteful number, since it uses less digits than its factorization.

1049844890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51406.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 1049844890 is about 32401.3100043810. The cubic root of 1049844890 is about 1016.3463057029.

The spelling of 1049844890 in words is "one billion, forty-nine million, eight hundred forty-four thousand, eight hundred ninety".