425633215536 has 100 divisors (see below), whose sum is σ = 1233336722112. Its totient is φ = 141712965504.

The previous prime is 425633215531. The next prime is 425633215549. The reversal of 425633215536 is 635512336524.

425633215536 is a `hidden beast` number, since 4 + 2 + 5 + 63 + 32 + 1 + 553 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 425633215491 and 425633215500.

It is not an unprimeable number, because it can be changed into a prime (425633215531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 928170 + ... + 1308726.

Almost surely, 2^425633215536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425633215536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616668361056).

425633215536 is an abundant number, since it is smaller than the sum of its proper divisors (807703506576).

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

425633215536 is a wasteful number, since it uses less digits than its factorization.

425633215536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381440 (or 381425 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 45.

The spelling of 425633215536 in words is "four hundred twenty-five billion, six hundred thirty-three million, two hundred fifteen thousand, five hundred thirty-six".