1049609472 has 72 divisors (see below), whose sum is σ = 2832984000. Its totient is φ = 344924160.

The previous prime is 1049609467. The next prime is 1049609503. The reversal of 1049609472 is 2749069401.

It is a super-2 number, since 2×1049609472² = 2203360087424237568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44904 + ... + 64152.

It is an arithmetic number, because the mean of its divisors is an integer number (39347000).

Almost surely, 2^1049609472 is an apocalyptic number.

1049609472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1049609472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1416492000).

1049609472 is an abundant number, since it is smaller than the sum of its proper divisors (1783374528).

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

1049609472 is an equidigital number, since it uses as much as digits as its factorization.

1049609472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19339 (or 19325 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 1049609472 is about 32397.6769537570. The cubic root of 1049609472 is about 1016.2703312729.

The spelling of 1049609472 in words is "one billion, forty-nine million, six hundred nine thousand, four hundred seventy-two".