1025448276520 has 32 divisors (see below), whose sum is σ = 2308738723200. Its totient is φ = 409916181568.

The previous prime is 1025448276487. The next prime is 1025448276521. The reversal of 1025448276520 is 256728445201.

It is not an unprimeable number, because it can be changed into a prime (1025448276521) 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, 8159644 + ... + 8284363.

It is an arithmetic number, because the mean of its divisors is an integer number (72148085100).

Almost surely, 2^{1025448276520} is an apocalyptic number.

1025448276520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025448276520 is an abundant number, since it is smaller than the sum of its proper divisors (1283290446680).

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

1025448276520 is a wasteful number, since it uses less digits than its factorization.

1025448276520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16445577 (or 16445573 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 46.

The spelling of 1025448276520 in words is "one trillion, twenty-five billion, four hundred forty-eight million, two hundred seventy-six thousand, five hundred twenty".