8992477440 has 504 divisors, whose sum is σ = 33779471040. Its totient is φ = 2288259072.

The previous prime is 8992477423. The next prime is 8992477451. The reversal of 8992477440 is 447742998.

It is a happy number.

8992477440 is a `hidden beast` number, since 89 + 92 + 477 + 4 + 4 + 0 = 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 55 ways as a sum of consecutive naturals, for example, 21461551 + ... + 21461969.

It is an arithmetic number, because the mean of its divisors is an integer number (67022760).

Almost surely, 2^8992477440 is an apocalyptic number.

8992477440 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 8992477440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16889735520).

8992477440 is an abundant number, since it is smaller than the sum of its proper divisors (24786993600).

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

8992477440 is an equidigital number, since it uses as much as digits as its factorization.

8992477440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481 (or 452 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The square root of 8992477440 is about 94828.6741444802. The cubic root of 8992477440 is about 2079.5041224220.

The spelling of 8992477440 in words is "eight billion, nine hundred ninety-two million, four hundred seventy-seven thousand, four hundred forty".