452738626530 has 128 divisors (see below), whose sum is σ = 1145199513600. Its totient is φ = 114327400704.

The previous prime is 452738626499. The next prime is 452738626541. The reversal of 452738626530 is 35626837254.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28275787 + ... + 28291793.

It is an arithmetic number, because the mean of its divisors is an integer number (8946871200).

Almost surely, 2^452738626530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 452738626530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (572599756800).

452738626530 is an abundant number, since it is smaller than the sum of its proper divisors (692460887070).

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

452738626530 is a wasteful number, since it uses less digits than its factorization.

452738626530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16448.

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 452738626530 in words is "four hundred fifty-two billion, seven hundred thirty-eight million, six hundred twenty-six thousand, five hundred thirty".