425444505412 has 24 divisors (see below), whose sum is σ = 745023121920. Its totient is φ = 212580816000.

The previous prime is 425444505389. The next prime is 425444505419. The reversal of 425444505412 is 214505444524.

It is a super-2 number, since 2×425444505412² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425444505419) 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, 61132389 + ... + 61139347.

It is an arithmetic number, because the mean of its divisors is an integer number (31042630080).

Almost surely, 2^425444505412 is an apocalyptic number.

It is an amenable number.

425444505412 is a deficient number, since it is larger than the sum of its proper divisors (319578616508).

425444505412 is a wasteful number, since it uses less digits than its factorization.

425444505412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14931 (or 14929 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 40.

Adding to 425444505412 its reverse (214505444524), we get a palindrome (639949949936).

The spelling of 425444505412 in words is "four hundred twenty-five billion, four hundred forty-four million, five hundred five thousand, four hundred twelve".