8740225840 has 80 divisors (see below), whose sum is σ = 21379569120. Its totient is φ = 3318589440.

The previous prime is 8740225831. The next prime is 8740225843. The reversal of 8740225840 is 485220478.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 8740225793 and 8740225802.

It is not an unprimeable number, because it can be changed into a prime (8740225843) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 85351 + ... + 157369.

It is an arithmetic number, because the mean of its divisors is an integer number (267244614).

Almost surely, 2^8740225840 is an apocalyptic number.

8740225840 is a gapful number since it is divisible by the number (80) 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 8740225840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10689784560).

8740225840 is an abundant number, since it is smaller than the sum of its proper divisors (12639343280).

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

8740225840 is a wasteful number, since it uses less digits than its factorization.

8740225840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72110 (or 72104 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 8740225840 is about 93489.1749883376. The cubic root of 8740225840 is about 2059.8750858997.

The spelling of 8740225840 in words is "eight billion, seven hundred forty million, two hundred twenty-five thousand, eight hundred forty".