2276718840 has 320 divisors, whose sum is σ = 8430428160. Its totient is φ = 546497280.

The previous prime is 2276718793. The next prime is 2276718841. The reversal of 2276718840 is 488176722.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2276718841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4526029 + ... + 4526531.

It is an arithmetic number, because the mean of its divisors is an integer number (26345088).

Almost surely, 2^2276718840 is an apocalyptic number.

2276718840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2276718840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4215214080).

2276718840 is an abundant number, since it is smaller than the sum of its proper divisors (6153709320).

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

2276718840 is a wasteful number, since it uses less digits than its factorization.

2276718840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 45.

The square root of 2276718840 is about 47714.9750078526. The cubic root of 2276718840 is about 1315.5372014198.

The spelling of 2276718840 in words is "two billion, two hundred seventy-six million, seven hundred eighteen thousand, eight hundred forty".