452041440 has 48 divisors (see below), whose sum is σ = 1423932048. Its totient is φ = 120544256.

The previous prime is 452041433. The next prime is 452041453. The reversal of 452041440 is 44140254.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 452041440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470397 + ... + 471356.

It is an arithmetic number, because the mean of its divisors is an integer number (29665251).

Almost surely, 2^452041440 is an apocalyptic number.

452041440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452041440 is an abundant number, since it is smaller than the sum of its proper divisors (971890608).

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

452041440 is a wasteful number, since it uses less digits than its factorization.

452041440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941771 (or 941763 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 452041440 is about 21261.2661899521. The cubic root of 452041440 is about 767.4664805854.

Adding to 452041440 its reverse (44140254), we get a palindrome (496181694).

The spelling of 452041440 in words is "four hundred fifty-two million, forty-one thousand, four hundred forty".