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8474400000000 = 211325811107
BaseRepresentation
bin111101101010001100110…
…0110100000100000000000
31010000010220111200101000200
41323110121212200200000
52102321032400000000
630005030254245200
71533153350325234
oct173243146404000
933003814611020
108474400000000
112777a77966840
12b4a48b4b6800
1349619510cb2c
1421423d9725c4
15ea68a3a8500
hex7b5199a0800

8474400000000 has 1296 divisors, whose sum is σ = 33687756189360. Its totient is φ = 2035200000000.

The previous prime is 8474399999939. The next prime is 8474400000029. The reversal of 8474400000000 is 44748.

It is a self number, because there is not a number n which added to its sum of digits gives 8474400000000.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 79199999947 + ... + 79200000053.

It is an arithmetic number, because the mean of its divisors is an integer number (25993639035).

Almost surely, 28474400000000 is an apocalyptic number.

8474400000000 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 8474400000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16843878094680).

8474400000000 is an abundant number, since it is smaller than the sum of its proper divisors (25213356189360).

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

8474400000000 is an frugal number, since it uses more digits than its factorization.

8474400000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

Adding to 8474400000000 its reverse (44748), we get a palindrome (8474400044748).

The spelling of 8474400000000 in words is "eight trillion, four hundred seventy-four billion, four hundred million", and thus it is an aban number.