1049155968 has 256 divisors, whose sum is σ = 3382156800. Its totient is φ = 281788416.

The previous prime is 1049155967. The next prime is 1049155973. The reversal of 1049155968 is 8695519401.

It is a super-2 number, since 2×1049155968² = 2201456490380034048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049155963) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3351780 + ... + 3352092.

It is an arithmetic number, because the mean of its divisors is an integer number (13211550).

Almost surely, 2^1049155968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1049155968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1691078400).

1049155968 is an abundant number, since it is smaller than the sum of its proper divisors (2333000832).

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

1049155968 is a wasteful number, since it uses less digits than its factorization.

1049155968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 48.

The square root of 1049155968 is about 32390.6771772373. The cubic root of 1049155968 is about 1016.1239437938.

The spelling of 1049155968 in words is "one billion, forty-nine million, one hundred fifty-five thousand, nine hundred sixty-eight".