452740072646 has 8 divisors (see below), whose sum is σ = 679287851424. Its totient is φ = 226310788840.

The previous prime is 452740072597. The next prime is 452740072649. The reversal of 452740072646 is 646270047254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 452740072646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (452740072649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29614190 + ... + 29629473.

It is an arithmetic number, because the mean of its divisors is an integer number (84910981428).

Almost surely, 2^452740072646 is an apocalyptic number.

452740072646 is a deficient number, since it is larger than the sum of its proper divisors (226547778778).

452740072646 is a wasteful number, since it uses less digits than its factorization.

452740072646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59247486.

The product of its (nonzero) digits is 2257920, while the sum is 47.

The spelling of 452740072646 in words is "four hundred fifty-two billion, seven hundred forty million, seventy-two thousand, six hundred forty-six".