240630420 has 24 divisors (see below), whose sum is σ = 673765344. Its totient is φ = 64168096.

The previous prime is 240630413. The next prime is 240630473. The reversal of 240630420 is 24036042.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2005194 + ... + 2005313.

It is an arithmetic number, because the mean of its divisors is an integer number (28073556).

Almost surely, 2^240630420 is an apocalyptic number.

240630420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240630420 is an abundant number, since it is smaller than the sum of its proper divisors (433134924).

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

240630420 is a wasteful number, since it uses less digits than its factorization.

240630420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010519 (or 4010517 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 240630420 is about 15512.2667589234. The cubic root of 240630420 is about 621.9901536542.

Adding to 240630420 its reverse (24036042), we get a palindrome (264666462).

The spelling of 240630420 in words is "two hundred forty million, six hundred thirty thousand, four hundred twenty".