9286280640 has 1120 divisors, whose sum is σ = 42297851904. Its totient is φ = 1881169920.

The previous prime is 9286280629. The next prime is 9286280687. The reversal of 9286280640 is 460826829.

It is a tau number, because it is divible by the number of its divisors (1120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 73120257 + ... + 73120383.

Almost surely, 2^9286280640 is an apocalyptic number.

9286280640 is a gapful number since it is divisible by the number (90) 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 9286280640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21148925952).

9286280640 is an abundant number, since it is smaller than the sum of its proper divisors (33011571264).

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

9286280640 is a wasteful number, since it uses less digits than its factorization.

9286280640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 188 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 9286280640 is about 96365.3497892266. The cubic root of 9286280640 is about 2101.9091210250.

The spelling of 9286280640 in words is "nine billion, two hundred eighty-six million, two hundred eighty thousand, six hundred forty".