8545215248400 has 60 divisors (see below), whose sum is σ = 27373172849552. Its totient is φ = 2278724065920.

The previous prime is 8545215248371. The next prime is 8545215248407. The reversal of 8545215248400 is 48425125458.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 8545215248400.

It is not an unprimeable number, because it can be changed into a prime (8545215248407) 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 11 ways as a sum of consecutive naturals, for example, 3560505154 + ... + 3560507553.

Almost surely, 2^{8545215248400} is an apocalyptic number.

8545215248400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8545215248400 is an abundant number, since it is smaller than the sum of its proper divisors (18827957601152).

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

8545215248400 is a wasteful number, since it uses less digits than its factorization.

8545215248400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7121012728 (or 7121012717 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 48.

The spelling of 8545215248400 in words is "eight trillion, five hundred forty-five billion, two hundred fifteen million, two hundred forty-eight thousand, four hundred".