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40595940 = 2232571129101
BaseRepresentation
bin1001101011011…
…1000111100100
32211101111011100
42122313013210
540343032230
64010040100
71002026340
oct232670744
984344140
1040595940
1120a08370
1211719030
138544b88
14556a620
15386d660
hex26b71e4

40595940 has 288 divisors, whose sum is σ = 160392960. Its totient is φ = 8064000.

The previous prime is 40595939. The next prime is 40595959. The reversal of 40595940 is 4959504.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40595895 and 40595904.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 401890 + ... + 401990.

It is an arithmetic number, because the mean of its divisors is an integer number (556920).

Almost surely, 240595940 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 40595940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80196480).

40595940 is an abundant number, since it is smaller than the sum of its proper divisors (119797020).

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

40595940 is a wasteful number, since it uses less digits than its factorization.

40595940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 40595940 is about 6371.4943302180. The cubic root of 40595940 is about 343.6852290084.

It can be divided in two parts, 4059 and 5940, that added together give a palindrome (9999).

The spelling of 40595940 in words is "forty million, five hundred ninety-five thousand, nine hundred forty".