1049158656 has 440 divisors, whose sum is σ = 3883732160. Its totient is φ = 274710528.

The previous prime is 1049158633. The next prime is 1049158667. The reversal of 1049158656 is 6568519401.

1049158656 is a `hidden beast` number, since 10 + 4 + 9 + 1 + 586 + 56 = 666.

It is a super-2 number, since 2×1049158656² = 2201467770919452672, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7547835 + ... + 7547973.

It is an arithmetic number, because the mean of its divisors is an integer number (8826664).

Almost surely, 2^1049158656 is an apocalyptic number.

1049158656 is a gapful number since it is divisible by the number (16) 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 1049158656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1941866080).

1049158656 is an abundant number, since it is smaller than the sum of its proper divisors (2834573504).

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

1049158656 is a wasteful number, since it uses less digits than its factorization.

1049158656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 1049158656 is about 32390.7186706316. The cubic root of 1049158656 is about 1016.1248115831.

The spelling of 1049158656 in words is "one billion, forty-nine million, one hundred fifty-eight thousand, six hundred fifty-six".