635452452 has 120 divisors (see below), whose sum is σ = 1800491616. Its totient is φ = 194648832.

The previous prime is 635452439. The next prime is 635452471. The reversal of 635452452 is 254254536.

635452452 is a `hidden beast` number, since 63 + 545 + 2 + 4 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 235503 + ... + 238185.

Almost surely, 2^635452452 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 635452452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (900245808).

635452452 is an abundant number, since it is smaller than the sum of its proper divisors (1165039164).

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

635452452 is a wasteful number, since it uses less digits than its factorization.

635452452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759 (or 2748 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 635452452 is about 25208.1822430734. The cubic root of 635452452 is about 859.7278984130.

The spelling of 635452452 in words is "six hundred thirty-five million, four hundred fifty-two thousand, four hundred fifty-two".