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8404040480 = 255113193167
BaseRepresentation
bin1111101001110101…
…10111101100100000
3210200200200111020112
413310322313230200
5114202413243410
63505531430452
7415155110513
oct76472675440
923620614215
108404040480
113622953000
1217665b5428
13a3c16a824
1459a200d7a
15342c0b105
hex1f4eb7b20

8404040480 has 384 divisors, whose sum is σ = 24083619840. Its totient is φ = 2759961600.

The previous prime is 8404040467. The next prime is 8404040527. The reversal of 8404040480 is 840404048.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125433407 + ... + 125433473.

It is an arithmetic number, because the mean of its divisors is an integer number (62717760).

Almost surely, 28404040480 is an apocalyptic number.

8404040480 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 8404040480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12041809920).

8404040480 is an abundant number, since it is smaller than the sum of its proper divisors (15679579360).

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

8404040480 is a wasteful number, since it uses less digits than its factorization.

8404040480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 8404040480 is about 91673.5538746044. The cubic root of 8404040480 is about 2033.1185922701.

The spelling of 8404040480 in words is "eight billion, four hundred four million, forty thousand, four hundred eighty".