4515227640 has 384 divisors, whose sum is σ = 19260633600. Its totient is φ = 888744960.

The previous prime is 4515227611. The next prime is 4515227707. The reversal of 4515227640 is 467225154.

It is a happy number.

4515227640 is a `hidden beast` number, since 4 + 5 + 1 + 5 + 2 + 2 + 7 + 640 = 666.

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 = 4515227595 and 4515227604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 522394 + ... + 530966.

It is an arithmetic number, because the mean of its divisors is an integer number (50157900).

Almost surely, 2^4515227640 is an apocalyptic number.

4515227640 is a gapful number since it is divisible by the number (40) 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 4515227640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9630316800).

4515227640 is an abundant number, since it is smaller than the sum of its proper divisors (14745405960).

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

4515227640 is a wasteful number, since it uses less digits than its factorization.

4515227640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8627 (or 8620 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 4515227640 is about 67195.4435955296. The cubic root of 4515227640 is about 1652.8237707697.

The spelling of 4515227640 in words is "four billion, five hundred fifteen million, two hundred twenty-seven thousand, six hundred forty".