425232564220 has 48 divisors (see below), whose sum is σ = 903217906080. Its totient is φ = 168145376256.

The previous prime is 425232564167. The next prime is 425232564271. The reversal of 425232564220 is 22465232524.

It is a self number, because there is not a number n which added to its sum of digits gives 425232564220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9077779 + ... + 9124501.

It is an arithmetic number, because the mean of its divisors is an integer number (18817039710).

Almost surely, 2^425232564220 is an apocalyptic number.

It is an amenable number.

425232564220 is an abundant number, since it is smaller than the sum of its proper divisors (477985341860).

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

425232564220 is a wasteful number, since it uses less digits than its factorization.

425232564220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51934 (or 51932 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 425232564220 its reverse (22465232524), we get a palindrome (447697796744).

The spelling of 425232564220 in words is "four hundred twenty-five billion, two hundred thirty-two million, five hundred sixty-four thousand, two hundred twenty".