564450028 has 12 divisors (see below), whose sum is σ = 992140632. Its totient is φ = 280981280.

The previous prime is 564450017. The next prime is 564450091. The reversal of 564450028 is 820054465.

It is a junction number, because it is equal to n+sod(n) for n = 564449975 and 564450002.

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, 309913 + ... + 311728.

It is an arithmetic number, because the mean of its divisors is an integer number (82678386).

Almost surely, 2^564450028 is an apocalyptic number.

It is an amenable number.

564450028 is a deficient number, since it is larger than the sum of its proper divisors (427690604).

564450028 is a wasteful number, since it uses less digits than its factorization.

564450028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621872 (or 621870 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 564450028 is about 23758.1570834103. The cubic root of 564450028 is about 826.4346158281.

The spelling of 564450028 in words is "five hundred sixty-four million, four hundred fifty thousand, twenty-eight".