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8255364480 = 273451131467
BaseRepresentation
bin1111011000000111…
…01101110110000000
3210022022220222010000
413230003231312000
5113401333130410
63443101040000
7411401304006
oct75403556600
923268828100
108255364480
113556a35580
121724856000
13a1741346c
1458457ca76
15334b3ddc0
hex1ec0edd80

8255364480 has 640 divisors, whose sum is σ = 33270082560. Its totient is φ = 1932595200.

The previous prime is 8255364479. The next prime is 8255364521. The reversal of 8255364480 is 844635528.

It is a tau number, because it is divible by the number of its divisors (640).

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

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, 17677207 + ... + 17677673.

It is an arithmetic number, because the mean of its divisors is an integer number (51984504).

Almost surely, 28255364480 is an apocalyptic number.

8255364480 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 8255364480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16635041280).

8255364480 is an abundant number, since it is smaller than the sum of its proper divisors (25014718080).

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

8255364480 is a wasteful number, since it uses less digits than its factorization.

8255364480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The square root of 8255364480 is about 90859.0363145020. The cubic root of 8255364480 is about 2021.0578780703.

The spelling of 8255364480 in words is "eight billion, two hundred fifty-five million, three hundred sixty-four thousand, four hundred eighty".