1049949220 has 24 divisors (see below), whose sum is σ = 2205927864. Its totient is φ = 419782656.

The previous prime is 1049949209. The next prime is 1049949221. The reversal of 1049949220 is 229499401.

1049949220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 49871844 + 1000077376 = 7062^2 + 31624^2 .

It is a super-2 number, since 2×1049949220² = 2204786729157216800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1049949221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36004 + ... + 58276.

It is an arithmetic number, because the mean of its divisors is an integer number (91913661).

Almost surely, 2^1049949220 is an apocalyptic number.

1049949220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1049949220 is an abundant number, since it is smaller than the sum of its proper divisors (1155978644).

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

1049949220 is a wasteful number, since it uses less digits than its factorization.

1049949220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24639 (or 24637 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1049949220 is about 32402.9199301544. The cubic root of 1049949220 is about 1016.3799715961.

The spelling of 1049949220 in words is "one billion, forty-nine million, nine hundred forty-nine thousand, two hundred twenty".