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40870080 = 2632523617
BaseRepresentation
bin1001101111101…
…0000011000000
32211220102012200
42123322003000
540430320310
64015553200
71004250516
oct233720300
984812180
1040870080
1121085329
121182b800
13860c8a4
1455dc4b6
1538c49c0
hex26fa0c0

40870080 has 168 divisors, whose sum is σ = 146925792. Its totient is φ = 10407936.

The previous prime is 40870073. The next prime is 40870099. The reversal of 40870080 is 8007804.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65932 + ... + 66548.

Almost surely, 240870080 is an apocalyptic number.

40870080 is a gapful number since it is divisible by the number (40) 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 40870080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73462896).

40870080 is an abundant number, since it is smaller than the sum of its proper divisors (106055712).

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

40870080 is a wasteful number, since it uses less digits than its factorization.

40870080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 40870080 is about 6392.9711402446. The cubic root of 40870080 is about 344.4571171967.

Adding to 40870080 its reverse (8007804), we get a palindrome (48877884).

The spelling of 40870080 in words is "forty million, eight hundred seventy thousand, eighty".