455728259052 has 144 divisors (see below), whose sum is σ = 1263369953664. Its totient is φ = 137368224000.

The previous prime is 455728259009. The next prime is 455728259057. The reversal of 455728259052 is 250952827554.

455728259052 is a `hidden beast` number, since 4 + 557 + 2 + 82 + 5 + 9 + 0 + 5 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 455728259052.

It is not an unprimeable number, because it can be changed into a prime (455728259057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 180771552 + ... + 180774072.

It is an arithmetic number, because the mean of its divisors is an integer number (8773402456).

Almost surely, 2^455728259052 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 455728259052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (631684976832).

455728259052 is an abundant number, since it is smaller than the sum of its proper divisors (807641694612).

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

455728259052 is a wasteful number, since it uses less digits than its factorization.

455728259052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4780 (or 4775 counting only the distinct ones).

The product of its (nonzero) digits is 10080000, while the sum is 54.

The spelling of 455728259052 in words is "four hundred fifty-five billion, seven hundred twenty-eight million, two hundred fifty-nine thousand, fifty-two".