425551433140 has 48 divisors (see below), whose sum is σ = 898233202944. Its totient is φ = 169351171200.

The previous prime is 425551433089. The next prime is 425551433143. The reversal of 425551433140 is 41334155524.

It is a self number, because there is not a number n which added to its sum of digits gives 425551433140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425551433143) 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, 3257685 + ... + 3385795.

It is an arithmetic number, because the mean of its divisors is an integer number (18713191728).

Almost surely, 2^425551433140 is an apocalyptic number.

It is an amenable number.

425551433140 is an abundant number, since it is smaller than the sum of its proper divisors (472681769804).

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

425551433140 is a wasteful number, since it uses less digits than its factorization.

425551433140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128968 (or 128966 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 425551433140 its reverse (41334155524), we get a palindrome (466885588664).

The spelling of 425551433140 in words is "four hundred twenty-five billion, five hundred fifty-one million, four hundred thirty-three thousand, one hundred forty".