2430556380 has 144 divisors (see below), whose sum is σ = 8869486080. Its totient is φ = 526310784.

The previous prime is 2430556379. The next prime is 2430556393. The reversal of 2430556380 is 836550342.

It is a happy number.

2430556380 is a `hidden beast` number, since 24 + 3 + 0 + 556 + 3 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26824 + ... + 74703.

Almost surely, 2^2430556380 is an apocalyptic number.

2430556380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2430556380 is an abundant number, since it is smaller than the sum of its proper divisors (6438929700).

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

2430556380 is a wasteful number, since it uses less digits than its factorization.

2430556380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101568 (or 101563 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 2430556380 is about 49300.6732205555. The cubic root of 2430556380 is about 1344.5240237079.

The spelling of 2430556380 in words is "two billion, four hundred thirty million, five hundred fifty-six thousand, three hundred eighty".