8798552640 has 448 divisors, whose sum is σ = 33774278400. Its totient is φ = 2147254272.

The previous prime is 8798552621. The next prime is 8798552663. The reversal of 8798552640 is 462558978.

8798552640 is a `hidden beast` number, since 8 + 79 + 8 + 5 + 526 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5433751 + ... + 5435369.

Almost surely, 2^8798552640 is an apocalyptic number.

8798552640 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 8798552640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16887139200).

8798552640 is an abundant number, since it is smaller than the sum of its proper divisors (24975725760).

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

8798552640 is a wasteful number, since it uses less digits than its factorization.

8798552640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699 (or 1683 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The square root of 8798552640 is about 93800.6004245175. The cubic root of 8798552640 is about 2064.4470367561.

It can be divided in two parts, 87985 and 52640, that added together give a square (140625 = 375²).

The spelling of 8798552640 in words is "eight billion, seven hundred ninety-eight million, five hundred fifty-two thousand, six hundred forty".