2430021240 has 48 divisors (see below), whose sum is σ = 7897570200. Its totient is φ = 648005568.

The previous prime is 2430021227. The next prime is 2430021263. The reversal of 2430021240 is 421200342.

2430021240 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2430021240² = 11810006453702275200, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3374670 + ... + 3375389.

Almost surely, 2^2430021240 is an apocalyptic number.

2430021240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2430021240 is an abundant number, since it is smaller than the sum of its proper divisors (5467548960).

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

2430021240 is a wasteful number, since it uses less digits than its factorization.

2430021240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6750076 (or 6750069 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2430021240 is about 49295.2456125335. The cubic root of 2430021240 is about 1344.4253410354.

Adding to 2430021240 its reverse (421200342), we get a palindrome (2851221582).

The spelling of 2430021240 in words is "two billion, four hundred thirty million, twenty-one thousand, two hundred forty".