452346240 has 128 divisors (see below), whose sum is σ = 1475654400. Its totient is φ = 117798912.

The previous prime is 452346239. The next prime is 452346241. The reversal of 452346240 is 42643254.

It is an interprime number because it is at equal distance from previous prime (452346239) and next prime (452346241).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 452346198 and 452346207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452346241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79821 + ... + 85299.

It is an arithmetic number, because the mean of its divisors is an integer number (11528550).

Almost surely, 2^452346240 is an apocalyptic number.

452346240 is a gapful number since it is divisible by the number (40) 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 452346240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737827200).

452346240 is an abundant number, since it is smaller than the sum of its proper divisors (1023308160).

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

452346240 is a wasteful number, since it uses less digits than its factorization.

452346240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5544 (or 5532 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 452346240 is about 21268.4329465055. The cubic root of 452346240 is about 767.6389361806.

Adding to 452346240 its reverse (42643254), we get a palindrome (494989494).

The spelling of 452346240 in words is "four hundred fifty-two million, three hundred forty-six thousand, two hundred forty".