454727497752 has 128 divisors (see below), whose sum is σ = 1378214611200. Its totient is φ = 137770963200.

The previous prime is 454727497751. The next prime is 454727497759. The reversal of 454727497752 is 257794727454.

It is a happy number.

454727497752 is a `hidden beast` number, since 4 + 5 + 4 + 72 + 7 + 497 + 75 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 454727497752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454727497751) 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, 16049983 + ... + 16078289.

It is an arithmetic number, because the mean of its divisors is an integer number (10767301650).

Almost surely, 2^454727497752 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 454727497752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689107305600).

454727497752 is an abundant number, since it is smaller than the sum of its proper divisors (923487113448).

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

454727497752 is a wasteful number, since it uses less digits than its factorization.

454727497752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35094 (or 35084 counting only the distinct ones).

The product of its digits is 138297600, while the sum is 63.

The spelling of 454727497752 in words is "four hundred fifty-four billion, seven hundred twenty-seven million, four hundred ninety-seven thousand, seven hundred fifty-two".