10194554880 has 624 divisors, whose sum is σ = 38640551040. Its totient is φ = 2477260800.

The previous prime is 10194554873. The next prime is 10194554893. The reversal of 10194554880 is 8845549101.

It is a happy number.

10194554880 is a `hidden beast` number, since 1 + 0 + 1 + 94 + 554 + 8 + 8 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 143585245 + ... + 143585315.

It is an arithmetic number, because the mean of its divisors is an integer number (61923960).

Almost surely, 2^10194554880 is an apocalyptic number.

10194554880 is a gapful number since it is divisible by the number (10) 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 10194554880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19320275520).

10194554880 is an abundant number, since it is smaller than the sum of its proper divisors (28445996160).

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

10194554880 is a wasteful number, since it uses less digits than its factorization.

10194554880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 45.

The spelling of 10194554880 in words is "ten billion, one hundred ninety-four million, five hundred fifty-four thousand, eight hundred eighty".