454377490 has 24 divisors (see below), whose sum is σ = 951411852. Its totient is φ = 155786400.

The previous prime is 454377439. The next prime is 454377491. The reversal of 454377490 is 94773454.

It can be written as a sum of positive squares in 2 ways, for example, as 433097721 + 21279769 = 20811^2 + 4613^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (454377491) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 463161 + ... + 464140.

Almost surely, 2^454377490 is an apocalyptic number.

454377490 is an abundant number, since it is smaller than the sum of its proper divisors (497034362).

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

454377490 is a wasteful number, since it uses less digits than its factorization.

454377490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 927322 (or 927315 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 43.

The square root of 454377490 is about 21316.1321538407. The cubic root of 454377490 is about 768.7862420176.

The spelling of 454377490 in words is "four hundred fifty-four million, three hundred seventy-seven thousand, four hundred ninety".