454520828 has 12 divisors (see below), whose sum is σ = 822839640. Its totient is φ = 219423792.

The previous prime is 454520819. The next prime is 454520851. The reversal of 454520828 is 828025454.

It is a junction number, because it is equal to n+sod(n) for n = 454520791 and 454520800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1959026 + ... + 1959257.

It is an arithmetic number, because the mean of its divisors is an integer number (68569970).

Almost surely, 2^454520828 is an apocalyptic number.

It is an amenable number.

454520828 is a deficient number, since it is larger than the sum of its proper divisors (368318812).

454520828 is a wasteful number, since it uses less digits than its factorization.

454520828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918316 (or 3918314 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 38.

The square root of 454520828 is about 21319.4940840537. The cubic root of 454520828 is about 768.8670739978.

The spelling of 454520828 in words is "four hundred fifty-four million, five hundred twenty thousand, eight hundred twenty-eight".