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52404770880 = 263457211331
BaseRepresentation
bin110000110011100100…
…010101100001000000
312000021011211012010000
4300303210111201000
51324311110132010
640024024040000
73533432126400
oct606344254100
9160234735100
1052404770880
1120252144000
12a1a6303000
134c32039087
142771c72800
15156aa5e7c0
hexc33915840

52404770880 has 1680 divisors, whose sum is σ = 246210319872. Its totient is φ = 10538035200.

The previous prime is 52404770867. The next prime is 52404770893. The reversal of 52404770880 is 8807740425.

52404770880 is a `hidden beast` number, since 524 + 0 + 47 + 7 + 0 + 8 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (52404770867) and next prime (52404770893).

It is a tau number, because it is divible by the number of its divisors (1680).

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1690476465 + ... + 1690476495.

Almost surely, 252404770880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52404770880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123105159936).

52404770880 is an abundant number, since it is smaller than the sum of its proper divisors (193805548992).

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

52404770880 is a wasteful number, since it uses less digits than its factorization.

52404770880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 45.

The spelling of 52404770880 in words is "fifty-two billion, four hundred four million, seven hundred seventy thousand, eight hundred eighty".