240220828 has 6 divisors (see below), whose sum is σ = 420386456. Its totient is φ = 120110412.

The previous prime is 240220817. The next prime is 240220843. The reversal of 240220828 is 828022042.

It is a junction number, because it is equal to n+sod(n) for n = 240220796 and 240220805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30027600 + ... + 30027607.

Almost surely, 2^240220828 is an apocalyptic number.

It is an amenable number.

240220828 is a deficient number, since it is larger than the sum of its proper divisors (180165628).

240220828 is a wasteful number, since it uses less digits than its factorization.

240220828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60055211 (or 60055209 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 240220828 is about 15499.0589391743. The cubic root of 240220828 is about 621.6370438566.

The spelling of 240220828 in words is "two hundred forty million, two hundred twenty thousand, eight hundred twenty-eight".