425444443500445 has 32 divisors (see below), whose sum is σ = 528471034454016. Its totient is φ = 328542440083200.

The previous prime is 425444443500379. The next prime is 425444443500569. The reversal of 425444443500445 is 544005344444524.

It is not a de Polignac number, because 425444443500445 - 2¹¹ = 425444443498397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425444443500392 and 425444443500401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1343544235 + ... + 1343860855.

It is an arithmetic number, because the mean of its divisors is an integer number (16514719826688).

Almost surely, 2^{425444443500445} is an apocalyptic number.

It is an amenable number.

425444443500445 is a deficient number, since it is larger than the sum of its proper divisors (103026590953571).

425444443500445 is a wasteful number, since it uses less digits than its factorization.

425444443500445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373981.

The product of its (nonzero) digits is 49152000, while the sum is 52.

Adding to 425444443500445 its reverse (544005344444524), we get a palindrome (969449787944969).

The spelling of 425444443500445 in words is "four hundred twenty-five trillion, four hundred forty-four billion, four hundred forty-three million, five hundred thousand, four hundred forty-five".