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40804368440 = 2351192737201
BaseRepresentation
bin100110000000001000…
…010100000000111000
310220022201121200120012
4212000020110000320
51132031404242230
630424551121052
72643112260203
oct460010240070
9126281550505
1040804368440
111633a002a50
127aa9373188
133b03904914
141d9135293a
1510dc423395
hex980214038

40804368440 has 32 divisors (see below), whose sum is σ = 100156178160. Its totient is φ = 14837952000.

The previous prime is 40804368431. The next prime is 40804368461. The reversal of 40804368440 is 4486340804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46368161 + ... + 46369040.

Almost surely, 240804368440 is an apocalyptic number.

40804368440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40804368440 is an abundant number, since it is smaller than the sum of its proper divisors (59351809720).

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

40804368440 is a wasteful number, since it uses less digits than its factorization.

40804368440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92737223 (or 92737219 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 41.

The spelling of 40804368440 in words is "forty billion, eight hundred four million, three hundred sixty-eight thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 440 92737201 185474402 370948804 463686005 741897608 927372010 1020109211 1854744020 2040218422 3709488040 4080436844 5100546055 8160873688 10201092110 20402184220 40804368440