1025313445444 has 12 divisors (see below), whose sum is σ = 1794306599568. Its totient is φ = 512654417000.

The previous prime is 1025313445379. The next prime is 1025313445447. The reversal of 1025313445444 is 4445443135201.

It is a super-2 number, since 2×1025313445444² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1025313445397 and 1025313445406.

It is not an unprimeable number, because it can be changed into a prime (1025313445447) 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, 777399 + ... + 1629409.

It is an arithmetic number, because the mean of its divisors is an integer number (149525549964).

Almost surely, 2^{1025313445444} is an apocalyptic number.

It is an amenable number.

1025313445444 is a deficient number, since it is larger than the sum of its proper divisors (768993154124).

1025313445444 is a wasteful number, since it uses less digits than its factorization.

1025313445444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152866 (or 1152864 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 40.

The spelling of 1025313445444 in words is "one trillion, twenty-five billion, three hundred thirteen million, four hundred forty-five thousand, four hundred forty-four".