8912048640 has 640 divisors, whose sum is σ = 33261871104. Its totient is φ = 2015232000.

The previous prime is 8912048627. The next prime is 8912048641. The reversal of 8912048640 is 468402198.

It is a tau number, because it is divible by the number of its divisors (640).

It is a super-2 number, since 2×8912048640² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8912048592 and 8912048601.

It is not an unprimeable number, because it can be changed into a prime (8912048641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107374039 + ... + 107374121.

Almost surely, 2^8912048640 is an apocalyptic number.

8912048640 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 8912048640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16630935552).

8912048640 is an abundant number, since it is smaller than the sum of its proper divisors (24349822464).

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

8912048640 is a wasteful number, since it uses less digits than its factorization.

8912048640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 8912048640 is about 94403.6473871640. The cubic root of 8912048640 is about 2073.2858453733.

The spelling of 8912048640 in words is "eight billion, nine hundred twelve million, forty-eight thousand, six hundred forty".