452649132 has 144 divisors (see below), whose sum is σ = 1280767488. Its totient is φ = 133902720.

The previous prime is 452649101. The next prime is 452649149. The reversal of 452649132 is 231946254.

It is a happy number.

452649132 is a `hidden beast` number, since 4 + 5 + 2 + 649 + 1 + 3 + 2 = 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 47 ways as a sum of consecutive naturals, for example, 1670157 + ... + 1670427.

Almost surely, 2^452649132 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 452649132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640383744).

452649132 is an abundant number, since it is smaller than the sum of its proper divisors (828118356).

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

452649132 is a wasteful number, since it uses less digits than its factorization.

452649132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420 (or 415 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 452649132 is about 21275.5524487615. The cubic root of 452649132 is about 767.8102355044.

The spelling of 452649132 in words is "four hundred fifty-two million, six hundred forty-nine thousand, one hundred thirty-two".