1025443525434 has 16 divisors (see below), whose sum is σ = 2050906732320. Its totient is φ = 341811228240.

The previous prime is 1025443525433. The next prime is 1025443525439. The reversal of 1025443525434 is 4345253445201.

It is not an unprimeable number, because it can be changed into a prime (1025443525433) 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, 93172 + ... + 1435119.

It is an arithmetic number, because the mean of its divisors is an integer number (128181670770).

Almost surely, 2^{1025443525434} is an apocalyptic number.

1025443525434 is an abundant number, since it is smaller than the sum of its proper divisors (1025463206886).

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

1025443525434 is a wasteful number, since it uses less digits than its factorization.

1025443525434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1640125.

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 1025443525434 in words is "one trillion, twenty-five billion, four hundred forty-three million, five hundred twenty-five thousand, four hundred thirty-four".