2238752340 has 144 divisors (see below), whose sum is σ = 7608706560. Its totient is φ = 528042240.

The previous prime is 2238752293. The next prime is 2238752359. The reversal of 2238752340 is 432578322.

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

It is a junction number, because it is equal to n+sod(n) for n = 2238752295 and 2238752304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 57981 + ... + 88539.

It is an arithmetic number, because the mean of its divisors is an integer number (52838240).

Almost surely, 2^2238752340 is an apocalyptic number.

2238752340 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 2238752340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3804353280).

2238752340 is an abundant number, since it is smaller than the sum of its proper divisors (5369954220).

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

2238752340 is a wasteful number, since it uses less digits than its factorization.

2238752340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30622 (or 30617 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 2238752340 is about 47315.4556144184. The cubic root of 2238752340 is about 1308.1835516615.

The spelling of 2238752340 in words is "two billion, two hundred thirty-eight million, seven hundred fifty-two thousand, three hundred forty".