455515500 has 192 divisors, whose sum is σ = 1524257280. Its totient is φ = 104544000.

The previous prime is 455515477. The next prime is 455515507. The reversal of 455515500 is 5515554.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (455515507) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 312774 + ... + 314226.

It is an arithmetic number, because the mean of its divisors is an integer number (7938840).

Almost surely, 2^455515500 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 455515500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762128640).

455515500 is an abundant number, since it is smaller than the sum of its proper divisors (1068741780).

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

455515500 is a wasteful number, since it uses less digits than its factorization.

455515500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505 (or 1493 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 455515500 is about 21342.8090934628. The cubic root of 455515500 is about 769.4275274883.

The spelling of 455515500 in words is "four hundred fifty-five million, five hundred fifteen thousand, five hundred".