454929980 has 24 divisors (see below), whose sum is σ = 955817520. Its totient is φ = 181883520.

The previous prime is 454929971. The next prime is 454930001. The reversal of 454929980 is 89929454.

It is a happy number.

It is a super-2 number, since 2×454929980² = 413922573405600800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50456 + ... + 58784.

It is an arithmetic number, because the mean of its divisors is an integer number (39825730).

Almost surely, 2^454929980 is an apocalyptic number.

It is an amenable number.

454929980 is an abundant number, since it is smaller than the sum of its proper divisors (500887540).

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

454929980 is a wasteful number, since it uses less digits than its factorization.

454929980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11069 (or 11067 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 454929980 is about 21329.0876504364. The cubic root of 454929980 is about 769.0977118730.

The spelling of 454929980 in words is "four hundred fifty-four million, nine hundred twenty-nine thousand, nine hundred eighty".