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40088484864 = 21032191791279
BaseRepresentation
bin100101010101011101…
…011011110000000000
310211110211120000220200
4211111131123300000
51124100123003424
630225535205200
72616300333111
oct452535336000
9124424500820
1040088484864
11160019a502a
127929676800
133a1b4c397c
141d24242208
1510996648c9
hex95575bc00

40088484864 has 264 divisors, whose sum is σ = 122623488000. Its totient is φ = 12578955264.

The previous prime is 40088484851. The next prime is 40088484899. The reversal of 40088484864 is 46848488004.

It is a happy number.

40088484864 is a `hidden beast` number, since 4 + 0 + 0 + 88 + 484 + 86 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 40088484864.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31342977 + ... + 31344255.

Almost surely, 240088484864 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 40088484864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61311744000).

40088484864 is an abundant number, since it is smaller than the sum of its proper divisors (82535003136).

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

40088484864 is a wasteful number, since it uses less digits than its factorization.

40088484864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503 (or 1482 counting only the distinct ones).

The product of its (nonzero) digits is 6291456, while the sum is 54.

The spelling of 40088484864 in words is "forty billion, eighty-eight million, four hundred eighty-four thousand, eight hundred sixty-four".