425353533552 has 120 divisors (see below), whose sum is σ = 1234725566256. Its totient is φ = 141757226496.

The previous prime is 425353533533. The next prime is 425353533587. The reversal of 425353533552 is 255335353524.

425353533552 is a `hidden beast` number, since 4 + 2 + 5 + 35 + 35 + 33 + 552 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 425353533498 and 425353533507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36296398 + ... + 36308114.

Almost surely, 2^425353533552 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 425353533552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617362783128).

425353533552 is an abundant number, since it is smaller than the sum of its proper divisors (809372032704).

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

425353533552 is a wasteful number, since it uses less digits than its factorization.

425353533552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21077 (or 21059 counting only the distinct ones).

The product of its digits is 4050000, while the sum is 45.

The spelling of 425353533552 in words is "four hundred twenty-five billion, three hundred fifty-three million, five hundred thirty-three thousand, five hundred fifty-two".