452187648 has 180 divisors, whose sum is σ = 1436238804. Its totient is φ = 136857600.

The previous prime is 452187643. The next prime is 452187649. The reversal of 452187648 is 846781254.

452187648 is a `hidden beast` number, since 4 + 521 + 87 + 6 + 48 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452187643) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 557163 + ... + 557973.

Almost surely, 2^452187648 is an apocalyptic number.

452187648 is a gapful number since it is divisible by the number (48) 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 452187648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (718119402).

452187648 is an abundant number, since it is smaller than the sum of its proper divisors (984051156).

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

452187648 is a wasteful number, since it uses less digits than its factorization.

452187648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857 (or 827 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 452187648 is about 21264.7042772760. The cubic root of 452187648 is about 767.5492146254.

The spelling of 452187648 in words is "four hundred fifty-two million, one hundred eighty-seven thousand, six hundred forty-eight".