8813009426400 has 432 divisors, whose sum is σ = 32913112207248. Its totient is φ = 2211342336000.

The previous prime is 8813009426393. The next prime is 8813009426503. The reversal of 8813009426400 is 46249003188.

It is a happy number.

8813009426400 is a `hidden beast` number, since 8 + 8 + 130 + 0 + 94 + 26 + 400 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 745532490 + ... + 745544310.

It is an arithmetic number, because the mean of its divisors is an integer number (76187759739).

Almost surely, 2^{8813009426400} is an apocalyptic number.

8813009426400 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 8813009426400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16456556103624).

8813009426400 is an abundant number, since it is smaller than the sum of its proper divisors (24100102780848).

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

8813009426400 is a wasteful number, since it uses less digits than its factorization.

8813009426400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17955 (or 17939 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 8813009426400 in words is "eight trillion, eight hundred thirteen billion, nine million, four hundred twenty-six thousand, four hundred".