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39996703488 = 2837172915091
BaseRepresentation
bin100101001111111111…
…010100001100000000
310211020102212001112110
4211033333110030000
51123403124002423
630212500055320
72614104240660
oct451777241400
9124212761473
1039996703488
1115a65107355
127902994540
133a05499c71
141d15d901a0
151091585193
hex94ffd4300

39996703488 has 288 divisors, whose sum is σ = 133263567360. Its totient is φ = 10383851520.

The previous prime is 39996703451. The next prime is 39996703489. The reversal of 39996703488 is 88430769993.

It is a happy number.

It is a super-2 number, since 2×399967034882 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39996703489) by changing a digit.

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, 2642823 + ... + 2657913.

It is an arithmetic number, because the mean of its divisors is an integer number (462720720).

Almost surely, 239996703488 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 39996703488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66631783680).

39996703488 is an abundant number, since it is smaller than the sum of its proper divisors (93266863872).

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

39996703488 is a wasteful number, since it uses less digits than its factorization.

39996703488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15163 (or 15149 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 66.

The spelling of 39996703488 in words is "thirty-nine billion, nine hundred ninety-six million, seven hundred three thousand, four hundred eighty-eight".