8455363840 has 288 divisors, whose sum is σ = 25495384320. Its totient is φ = 2631720960.

The previous prime is 8455363771. The next prime is 8455363841. The reversal of 8455363840 is 483635548.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8455363841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11925406 + ... + 11926114.

It is an arithmetic number, because the mean of its divisors is an integer number (88525640).

Almost surely, 2^8455363840 is an apocalyptic number.

8455363840 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 8455363840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12747692160).

8455363840 is an abundant number, since it is smaller than the sum of its proper divisors (17040020480).

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

8455363840 is an equidigital number, since it uses as much as digits as its factorization.

8455363840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The square root of 8455363840 is about 91953.0523691302. The cubic root of 8455363840 is about 2037.2489381144.

The spelling of 8455363840 in words is "eight billion, four hundred fifty-five million, three hundred sixty-three thousand, eight hundred forty".