8228701440 has 144 divisors (see below), whose sum is σ = 29200584000. Its totient is φ = 2194311168.

The previous prime is 8228701433. The next prime is 8228701447. The reversal of 8228701440 is 441078228.

It is an interprime number because it is at equal distance from previous prime (8228701433) and next prime (8228701447).

It is a tau number, because it is divible by the number of its divisors (144).

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 = 8228701395 and 8228701404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8228701447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84490 + ... + 153609.

Almost surely, 2^8228701440 is an apocalyptic number.

8228701440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8228701440 is an abundant number, since it is smaller than the sum of its proper divisors (20971882560).

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

8228701440 is a wasteful number, since it uses less digits than its factorization.

8228701440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238129 (or 238109 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 8228701440 is about 90712.1901400247. The cubic root of 8228701440 is about 2018.8796715422.

Adding to 8228701440 its reverse (441078228), we get a palindrome (8669779668).

The spelling of 8228701440 in words is "eight billion, two hundred twenty-eight million, seven hundred one thousand, four hundred forty".