240422240 has 24 divisors (see below), whose sum is σ = 567997920. Its totient is φ = 96168832.

The previous prime is 240422191. The next prime is 240422327. The reversal of 240422240 is 42224042.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 751160 + ... + 751479.

It is an arithmetic number, because the mean of its divisors is an integer number (23666580).

Almost surely, 2^240422240 is an apocalyptic number.

240422240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240422240 is an abundant number, since it is smaller than the sum of its proper divisors (327575680).

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

240422240 is a wasteful number, since it uses less digits than its factorization.

240422240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502654 (or 1502646 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 240422240 is about 15505.5551335642. Note that the first 3 decimals coincide. The cubic root of 240422240 is about 621.8107315215.

Adding to 240422240 its reverse (42224042), we get a palindrome (282646282).

The spelling of 240422240 in words is "two hundred forty million, four hundred twenty-two thousand, two hundred forty".