452212740 has 96 divisors (see below), whose sum is σ = 1607880960. Its totient is φ = 103362048.

The previous prime is 452212727. The next prime is 452212741. The reversal of 452212740 is 47212254.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (452212741) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56037 + ... + 63596.

It is an arithmetic number, because the mean of its divisors is an integer number (16748760).

Almost surely, 2^452212740 is an apocalyptic number.

It is an amenable number.

452212740 is an abundant number, since it is smaller than the sum of its proper divisors (1155668220).

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

452212740 is a wasteful number, since it uses less digits than its factorization.

452212740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119658 (or 119650 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 452212740 is about 21265.2942608373. The cubic root of 452212740 is about 767.5634115256.

Adding to 452212740 its reverse (47212254), we get a palindrome (499424994).

It can be divided in two parts, 45221 and 2740, that added together give a square (47961 = 219²).

The spelling of 452212740 in words is "four hundred fifty-two million, two hundred twelve thousand, seven hundred forty".