425544220401 has 16 divisors (see below), whose sum is σ = 567868313088. Its totient is φ = 283458240000.

The previous prime is 425544220333. The next prime is 425544220433. The reversal of 425544220401 is 104022445524.

It is not a de Polignac number, because 425544220401 - 2⁷ = 425544220273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (425544227401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21160251 + ... + 21180351.

It is an arithmetic number, because the mean of its divisors is an integer number (35491769568).

Almost surely, 2^425544220401 is an apocalyptic number.

It is an amenable number.

425544220401 is a deficient number, since it is larger than the sum of its proper divisors (142324092687).

425544220401 is a wasteful number, since it uses less digits than its factorization.

425544220401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25672.

The product of its (nonzero) digits is 51200, while the sum is 33.

Adding to 425544220401 its reverse (104022445524), we get a palindrome (529566665925).

The spelling of 425544220401 in words is "four hundred twenty-five billion, five hundred forty-four million, two hundred twenty thousand, four hundred one".