2421072276 has 96 divisors (see below), whose sum is σ = 6806876160. Its totient is φ = 654787584.

The previous prime is 2421072271. The next prime is 2421072389. The reversal of 2421072276 is 6722701242.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2421072271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180945 + ... + 193863.

It is an arithmetic number, because the mean of its divisors is an integer number (70904960).

Almost surely, 2^2421072276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2421072276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3403438080).

2421072276 is an abundant number, since it is smaller than the sum of its proper divisors (4385803884).

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

2421072276 is a wasteful number, since it uses less digits than its factorization.

2421072276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13053 (or 13051 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 2421072276 is about 49204.3928526712. The cubic root of 2421072276 is about 1342.7729531107.

The spelling of 2421072276 in words is "two billion, four hundred twenty-one million, seventy-two thousand, two hundred seventy-six".