240422040 has 64 divisors (see below), whose sum is σ = 801410400. Its totient is φ = 64112256.

The previous prime is 240422027. The next prime is 240422047. The reversal of 240422040 is 40224042.

240422040 is a `hidden beast` number, since 2 + 404 + 220 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240422047) 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, 110227 + ... + 112386.

Almost surely, 2^240422040 is an apocalyptic number.

240422040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240422040 is an abundant number, since it is smaller than the sum of its proper divisors (560988360).

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

240422040 is a wasteful number, since it uses less digits than its factorization.

240422040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222633 (or 222623 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 240422040 is about 15505.5486842614. The cubic root of 240422040 is about 621.8105590996.

Adding to 240422040 its reverse (40224042), we get a palindrome (280646082).

The spelling of 240422040 in words is "two hundred forty million, four hundred twenty-two thousand, forty".