455329290 has 128 divisors (see below), whose sum is σ = 1230888960. Its totient is φ = 107025408.

The previous prime is 455329283. The next prime is 455329291. The reversal of 455329290 is 92923554.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (455329291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1436212 + ... + 1436528.

It is an arithmetic number, because the mean of its divisors is an integer number (9616320).

Almost surely, 2^455329290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 455329290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615444480).

455329290 is an abundant number, since it is smaller than the sum of its proper divisors (775559670).

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

455329290 is a wasteful number, since it uses less digits than its factorization.

455329290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 97200, while the sum is 39.

The square root of 455329290 is about 21338.4462883313. The cubic root of 455329290 is about 769.3226685409.

The spelling of 455329290 in words is "four hundred fifty-five million, three hundred twenty-nine thousand, two hundred ninety".