240552828 has 60 divisors (see below), whose sum is σ = 637770672. Its totient is φ = 79047360.

The previous prime is 240552827. The next prime is 240552833. The reversal of 240552828 is 828255042.

240552828 is a `hidden beast` number, since 24 + 0 + 552 + 82 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 240552792 and 240552801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240552827) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17776 + ... + 28232.

Almost surely, 2^240552828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240552828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (318885336).

240552828 is an abundant number, since it is smaller than the sum of its proper divisors (397217844).

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

240552828 is a wasteful number, since it uses less digits than its factorization.

240552828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10544 (or 10533 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 240552828 is about 15509.7655688279. The cubic root of 240552828 is about 621.9232922709.

The spelling of 240552828 in words is "two hundred forty million, five hundred fifty-two thousand, eight hundred twenty-eight".