1049969440 has 96 divisors (see below), whose sum is σ = 2689860096. Its totient is φ = 384998400.

The previous prime is 1049969413. The next prime is 1049969491. The reversal of 1049969440 is 449699401.

It is a super-2 number, since 2×1049969440² = 2204871649867827200, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 312409 + ... + 315751.

It is an arithmetic number, because the mean of its divisors is an integer number (28019376).

Almost surely, 2^1049969440 is an apocalyptic number.

1049969440 is a gapful number since it is divisible by the number (10) 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 1049969440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344930048).

1049969440 is an abundant number, since it is smaller than the sum of its proper divisors (1639890656).

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

1049969440 is a wasteful number, since it uses less digits than its factorization.

1049969440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522 (or 3514 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 1049969440 is about 32403.2319375707. The cubic root of 1049969440 is about 1016.3864960612.

The spelling of 1049969440 in words is "one billion, forty-nine million, nine hundred sixty-nine thousand, four hundred forty".