452144040 has 32 divisors (see below), whose sum is σ = 1356432480. Its totient is φ = 120571712.

The previous prime is 452144029. The next prime is 452144041. The reversal of 452144040 is 40441254.

It is a happy number.

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 452144040.

It is not an unprimeable number, because it can be changed into a prime (452144041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883814 + ... + 1884053.

It is an arithmetic number, because the mean of its divisors is an integer number (42388515).

Almost surely, 2^452144040 is an apocalyptic number.

452144040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452144040 is an abundant number, since it is smaller than the sum of its proper divisors (904288440).

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

452144040 is a wasteful number, since it uses less digits than its factorization.

452144040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767881 (or 3767877 counting only the distinct ones).

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

The square root of 452144040 is about 21263.6788914807. The cubic root of 452144040 is about 767.5245402361.

Adding to 452144040 its reverse (40441254), we get a palindrome (492585294).

The spelling of 452144040 in words is "four hundred fifty-two million, one hundred forty-four thousand, forty".