1041863856 has 160 divisors (see below), whose sum is σ = 3039210240. Its totient is φ = 304819200.

The previous prime is 1041863827. The next prime is 1041863873. The reversal of 1041863856 is 6583681401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2474526 + ... + 2474946.

It is an arithmetic number, because the mean of its divisors is an integer number (18995064).

Almost surely, 2^1041863856 is an apocalyptic number.

1041863856 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 1041863856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1519605120).

1041863856 is an abundant number, since it is smaller than the sum of its proper divisors (1997346384).

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

1041863856 is a wasteful number, since it uses less digits than its factorization.

1041863856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595 (or 589 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1041863856 is about 32277.9159178532. The cubic root of 1041863856 is about 1013.7642936454.

The spelling of 1041863856 in words is "one billion, forty-one million, eight hundred sixty-three thousand, eight hundred fifty-six".