459778128 has 20 divisors (see below), whose sum is σ = 1187760288. Its totient is φ = 153259360.

The previous prime is 459778117. The next prime is 459778153. The reversal of 459778128 is 821877954.

It is a super-2 number, since 2×459778128² = 422791853974368768, which contains 22 as substring.

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, 4789308 + ... + 4789403.

Almost surely, 2^459778128 is an apocalyptic number.

459778128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

459778128 is an abundant number, since it is smaller than the sum of its proper divisors (727982160).

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

459778128 is a wasteful number, since it uses less digits than its factorization.

459778128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9578722 (or 9578716 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 51.

The square root of 459778128 is about 21442.4375480028. The cubic root of 459778128 is about 771.8201322394.

The spelling of 459778128 in words is "four hundred fifty-nine million, seven hundred seventy-eight thousand, one hundred twenty-eight".