452745421720 has 32 divisors (see below), whose sum is σ = 1019325766320. Its totient is φ = 180982867840.

The previous prime is 452745421699. The next prime is 452745421721. The reversal of 452745421720 is 27124547254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452745421721) 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, 3539527 + ... + 3665206.

Almost surely, 2^452745421720 is an apocalyptic number.

452745421720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

452745421720 is an abundant number, since it is smaller than the sum of its proper divisors (566580344600).

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

452745421720 is a wasteful number, since it uses less digits than its factorization.

452745421720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7206315 (or 7206311 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 43.

Adding to 452745421720 its reverse (27124547254), we get a palindrome (479869968974).

The spelling of 452745421720 in words is "four hundred fifty-two billion, seven hundred forty-five million, four hundred twenty-one thousand, seven hundred twenty".