2421381204 has 72 divisors (see below), whose sum is σ = 7028592480. Its totient is φ = 695131200.

The previous prime is 2421381199. The next prime is 2421381241. The reversal of 2421381204 is 4021831242.

2421381204 is a `hidden beast` number, since 2 + 421 + 38 + 1 + 204 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 153387 + ... + 168434.

It is an arithmetic number, because the mean of its divisors is an integer number (97619340).

Almost surely, 2^2421381204 is an apocalyptic number.

It is an amenable number.

2421381204 is an abundant number, since it is smaller than the sum of its proper divisors (4607211276).

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

2421381204 is a wasteful number, since it uses less digits than its factorization.

2421381204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321861 (or 321856 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 2421381204 is about 49207.5319844432. The cubic root of 2421381204 is about 1342.8300631393.

It can be divided in two parts, 242138 and 1204, that added together give a palindrome (243342).

The spelling of 2421381204 in words is "two billion, four hundred twenty-one million, three hundred eighty-one thousand, two hundred four".