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40771487328 = 253111317174703
BaseRepresentation
bin100101111110001010…
…111000011001100000
310220020102202011011020
4211332022320121200
51132000000043303
630421414245440
72642232631665
oct457612703140
9126212664136
1040771487328
1116322494980
127a9a356880
133ac9b61440
141d8ac33a6c
1510d95caa53
hex97e2b8660

40771487328 has 192 divisors, whose sum is σ = 133132833792. Its totient is φ = 10733690880.

The previous prime is 40771487249. The next prime is 40771487363. The reversal of 40771487328 is 82378417704.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146025 + ... + 320727.

It is an arithmetic number, because the mean of its divisors is an integer number (693400176).

Almost surely, 240771487328 is an apocalyptic number.

40771487328 is a gapful number since it is divisible by the number (48) 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 40771487328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66566416896).

40771487328 is an abundant number, since it is smaller than the sum of its proper divisors (92361346464).

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

40771487328 is a wasteful number, since it uses less digits than its factorization.

40771487328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174757 (or 174749 counting only the distinct ones).

The product of its (nonzero) digits is 2107392, while the sum is 51.

The spelling of 40771487328 in words is "forty billion, seven hundred seventy-one million, four hundred eighty-seven thousand, three hundred twenty-eight".