8464390272 has 256 divisors, whose sum is σ = 27037180800. Its totient is φ = 2591502336.

The previous prime is 8464390271. The next prime is 8464390273. The reversal of 8464390272 is 2720934648.

It is an interprime number because it is at equal distance from previous prime (8464390271) and next prime (8464390273).

It is not an unprimeable number, because it can be changed into a prime (8464390271) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13163583 + ... + 13164225.

Almost surely, 2^8464390272 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 8464390272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13518590400).

8464390272 is an abundant number, since it is smaller than the sum of its proper divisors (18572790528).

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

8464390272 is a wasteful number, since it uses less digits than its factorization.

8464390272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 8464390272 is about 92002.1210190287. The cubic root of 8464390272 is about 2037.9736279698.

The spelling of 8464390272 in words is "eight billion, four hundred sixty-four million, three hundred ninety thousand, two hundred seventy-two".