4505617536 has 128 divisors (see below), whose sum is σ = 13758249600. Its totient is φ = 1279746048.

The previous prime is 4505617513. The next prime is 4505617553. The reversal of 4505617536 is 6357165054.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×4505617536² = 40601178761421422592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 460180 + ... + 469868.

It is an arithmetic number, because the mean of its divisors is an integer number (107486325).

Almost surely, 2^4505617536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4505617536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6879124800).

4505617536 is an abundant number, since it is smaller than the sum of its proper divisors (9252632064).

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

4505617536 is a wasteful number, since it uses less digits than its factorization.

4505617536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9886 (or 9874 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 4505617536 is about 67123.8969071373. The cubic root of 4505617536 is about 1651.6503274907.

The spelling of 4505617536 in words is "four billion, five hundred five million, six hundred seventeen thousand, five hundred thirty-six".