1021440848 has 20 divisors (see below), whose sum is σ = 2021150400. Its totient is φ = 499853664.

The previous prime is 1021440841. The next prime is 1021440881. The reversal of 1021440848 is 8480441201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021440841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678398 + ... + 679901.

It is an arithmetic number, because the mean of its divisors is an integer number (101057520).

Almost surely, 2^1021440848 is an apocalyptic number.

It is an amenable number.

1021440848 is a deficient number, since it is larger than the sum of its proper divisors (999709552).

1021440848 is a wasteful number, since it uses less digits than its factorization.

1021440848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358354 (or 1358348 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 1021440848 is about 31959.9882352920. The cubic root of 1021440848 is about 1007.0964703166.

The spelling of 1021440848 in words is "one billion, twenty-one million, four hundred forty thousand, eight hundred forty-eight".