2430155420 has 48 divisors (see below), whose sum is σ = 6362592768. Its totient is φ = 757450560.

The previous prime is 2430155407. The next prime is 2430155471. The reversal of 2430155420 is 245510342.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2430155420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 787472 + ... + 790551.

It is an arithmetic number, because the mean of its divisors is an integer number (132554016).

Almost surely, 2^2430155420 is an apocalyptic number.

2430155420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2430155420 is an abundant number, since it is smaller than the sum of its proper divisors (3932437348).

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

2430155420 is a wasteful number, since it uses less digits than its factorization.

2430155420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578050 (or 1578048 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2430155420 is about 49296.6065769237. The cubic root of 2430155420 is about 1344.4500859045.

Adding to 2430155420 its reverse (245510342), we get a palindrome (2675665762).

The spelling of 2430155420 in words is "two billion, four hundred thirty million, one hundred fifty-five thousand, four hundred twenty".