578450632 has 64 divisors (see below), whose sum is σ = 1148515200. Its totient is φ = 272832000.

The previous prime is 578450629. The next prime is 578450633. The reversal of 578450632 is 236054875.

It is a super-2 number, since 2×578450632² = 669210267322398848, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) 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 (578450633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373782 + ... + 1374202.

It is an arithmetic number, because the mean of its divisors is an integer number (17945550).

Almost surely, 2^578450632 is an apocalyptic number.

It is an amenable number.

578450632 is a deficient number, since it is larger than the sum of its proper divisors (570064568).

578450632 is a wasteful number, since it uses less digits than its factorization.

578450632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 594 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 578450632 is about 24051.0006444638. Note that the first 3 decimals coincide. The cubic root of 578450632 is about 833.2118412040.

The spelling of 578450632 in words is "five hundred seventy-eight million, four hundred fifty thousand, six hundred thirty-two".