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4856838840 = 23335741873
BaseRepresentation
bin1001000010111110…
…10111101010111000
3110112110222222101000
410201133113222320
534421322320330
62121534525000
7231233310000
oct44137275270
913473888330
104856838840
1120726169a7
12b36666760
135c52b5749
14341077000
151d65c8560
hex1217d7ab8

4856838840 has 320 divisors, whose sum is σ = 18896666400. Its totient is φ = 1109541888.

The previous prime is 4856838827. The next prime is 4856838853. The reversal of 4856838840 is 488386584.

4856838840 is a `hidden beast` number, since 4 + 8 + 568 + 38 + 8 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (4856838827) and next prime (4856838853).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 2592144 + ... + 2594016.

Almost surely, 24856838840 is an apocalyptic number.

4856838840 is a gapful number since it is divisible by the number (40) 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 4856838840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9448333200).

4856838840 is an abundant number, since it is smaller than the sum of its proper divisors (14039827560).

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

4856838840 is a wasteful number, since it uses less digits than its factorization.

4856838840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 54.

The square root of 4856838840 is about 69691.0240992339. The cubic root of 4856838840 is about 1693.4975173365.

The spelling of 4856838840 in words is "four billion, eight hundred fifty-six million, eight hundred thirty-eight thousand, eight hundred forty".