1025448842 has 16 divisors (see below), whose sum is σ = 1694302272. Its totient is φ = 461586720.

The previous prime is 1025448839. The next prime is 1025448847. The reversal of 1025448842 is 2488445201.

It is a junction number, because it is equal to n+sod(n) for n = 1025448796 and 1025448805.

It is not an unprimeable number, because it can be changed into a prime (1025448847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224003 + ... + 228534.

It is an arithmetic number, because the mean of its divisors is an integer number (105893892).

Almost surely, 2^1025448842 is an apocalyptic number.

1025448842 is a deficient number, since it is larger than the sum of its proper divisors (668853430).

1025448842 is a wasteful number, since it uses less digits than its factorization.

1025448842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452653.

The product of its (nonzero) digits is 81920, while the sum is 38.

The square root of 1025448842 is about 32022.6301543143. The cubic root of 1025448842 is about 1008.4119873865.

The spelling of 1025448842 in words is "one billion, twenty-five million, four hundred forty-eight thousand, eight hundred forty-two".