452540636 has 12 divisors (see below), whose sum is σ = 813350328. Its totient is φ = 220154832.

The previous prime is 452540633. The next prime is 452540653. The reversal of 452540636 is 636045254.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 452540596 and 452540605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452540633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1528706 + ... + 1529001.

It is an arithmetic number, because the mean of its divisors is an integer number (67779194).

Almost surely, 2^452540636 is an apocalyptic number.

It is an amenable number.

452540636 is a deficient number, since it is larger than the sum of its proper divisors (360809692).

452540636 is a wasteful number, since it uses less digits than its factorization.

452540636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3057748 (or 3057746 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 452540636 is about 21273.0025149249. The cubic root of 452540636 is about 767.7488848246.

The spelling of 452540636 in words is "four hundred fifty-two million, five hundred forty thousand, six hundred thirty-six".