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4557000240 = 24325131912549
BaseRepresentation
bin1000011111001111…
…00100111000110000
3102202120210121010200
410033213210320300
533313043001430
62032104155200
7220632601662
oct41747447060
912676717120
104557000240
111a29342801
12a72168b00
13578143260
14313306532
151ba0ec460
hex10f9e4e30

4557000240 has 240 divisors, whose sum is σ = 16573939200. Its totient is φ = 1115412480.

The previous prime is 4557000233. The next prime is 4557000241. The reversal of 4557000240 is 420007554.

It is a tau number, because it is divible by the number of its divisors (240).

It is not an unprimeable number, because it can be changed into a prime (4557000241) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1786486 + ... + 1789034.

It is an arithmetic number, because the mean of its divisors is an integer number (69058080).

Almost surely, 24557000240 is an apocalyptic number.

4557000240 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 4557000240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8286969600).

4557000240 is an abundant number, since it is smaller than the sum of its proper divisors (12016938960).

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

4557000240 is a wasteful number, since it uses less digits than its factorization.

4557000240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2772 (or 2763 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 4557000240 is about 67505.5571045821. The cubic root of 4557000240 is about 1657.9051622434.

Adding to 4557000240 its reverse (420007554), we get a palindrome (4977007794).

The spelling of 4557000240 in words is "four billion, five hundred fifty-seven million, two hundred forty", and thus it is an aban number.