425249365632 has 512 divisors, whose sum is σ = 1439899238400. Its totient is φ = 108172247040.

The previous prime is 425249365603. The next prime is 425249365669. The reversal of 425249365632 is 236563942524.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 495051219 + ... + 495052077.

It is an arithmetic number, because the mean of its divisors is an integer number (2812303200).

Almost surely, 2^425249365632 is an apocalyptic number.

425249365632 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425249365632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719949619200).

425249365632 is an abundant number, since it is smaller than the sum of its proper divisors (1014649872768).

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

425249365632 is a wasteful number, since it uses less digits than its factorization.

425249365632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384 (or 1372 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 51.

The spelling of 425249365632 in words is "four hundred twenty-five billion, two hundred forty-nine million, three hundred sixty-five thousand, six hundred thirty-two".