1049356520 has 64 divisors (see below), whose sum is σ = 2422664640. Its totient is φ = 408844800.

The previous prime is 1049356513. The next prime is 1049356549. The reversal of 1049356520 is 256539401.

It is a super-2 number, since 2×1049356520² = 2202298212133020800, 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, 895535 + ... + 896705.

It is an arithmetic number, because the mean of its divisors is an integer number (37854135).

Almost surely, 2^1049356520 is an apocalyptic number.

1049356520 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 1049356520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1211332320).

1049356520 is an abundant number, since it is smaller than the sum of its proper divisors (1373308120).

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

1049356520 is a wasteful number, since it uses less digits than its factorization.

1049356520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1746 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 1049356520 is about 32393.7728583751. The cubic root of 1049356520 is about 1016.1886855837.

The spelling of 1049356520 in words is "one billion, forty-nine million, three hundred fifty-six thousand, five hundred twenty".