1048855578 has 16 divisors (see below), whose sum is σ = 2098097760. Its totient is φ = 349554096.

The previous prime is 1048855573. The next prime is 1048855601. The reversal of 1048855578 is 8755588401.

It is a super-2 number, since 2×1048855578² = 2200196047003428168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1048855578.

It is not an unprimeable number, because it can be changed into a prime (1048855573) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28788 + ... + 54096.

It is an arithmetic number, because the mean of its divisors is an integer number (131131110).

Almost surely, 2^1048855578 is an apocalyptic number.

1048855578 is an abundant number, since it is smaller than the sum of its proper divisors (1049242182).

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

1048855578 is a wasteful number, since it uses less digits than its factorization.

1048855578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32221.

The product of its (nonzero) digits is 1792000, while the sum is 51.

The square root of 1048855578 is about 32386.0398628792. The cubic root of 1048855578 is about 1016.0269570678.

It can be divided in two parts, 10488 and 55578, that added together give a palindrome (66066).

The spelling of 1048855578 in words is "one billion, forty-eight million, eight hundred fifty-five thousand, five hundred seventy-eight".