1011020448 has 48 divisors (see below), whose sum is σ = 2660648256. Its totient is φ = 336153600.

The previous prime is 1011020441. The next prime is 1011020471. The reversal of 1011020448 is 8440201101.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1011020441) 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 7 ways as a sum of consecutive naturals, for example, 25365 + ... + 51627.

It is an arithmetic number, because the mean of its divisors is an integer number (55430172).

Almost surely, 2^1011020448 is an apocalyptic number.

It is an amenable number.

1011020448 is an abundant number, since it is smaller than the sum of its proper divisors (1649627808).

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

1011020448 is a wasteful number, since it uses less digits than its factorization.

1011020448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26677 (or 26669 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 1011020448 is about 31796.5477371365. The cubic root of 1011020448 is about 1003.6600702092.

Adding to 1011020448 its reverse (8440201101), we get a palindrome (9451221549).

The spelling of 1011020448 in words is "one billion, eleven million, twenty thousand, four hundred forty-eight".