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4468927680 = 263357193889
BaseRepresentation
bin1000010100101111…
…00110110011000000
3102112110002001022000
410022113212303000
533123021141210
62015240344000
7215513154450
oct41227466300
912473061260
104468927680
111993658568
12a48775000
13562b17709
1430573bd60
151b2501ac0
hex10a5e6cc0

4468927680 has 448 divisors, whose sum is σ = 18970752000. Its totient is φ = 967458816.

The previous prime is 4468927679. The next prime is 4468927703. The reversal of 4468927680 is 867298644.

It is a tau number, because it is divible by the number of its divisors (448).

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

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1147176 + ... + 1151064.

Almost surely, 24468927680 is an apocalyptic number.

4468927680 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 4468927680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9485376000).

4468927680 is an abundant number, since it is smaller than the sum of its proper divisors (14501824320).

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

4468927680 is a wasteful number, since it uses less digits than its factorization.

4468927680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3941 (or 3925 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The square root of 4468927680 is about 66850.0387434443. The cubic root of 4468927680 is about 1647.1548986534.

The spelling of 4468927680 in words is "four billion, four hundred sixty-eight million, nine hundred twenty-seven thousand, six hundred eighty".