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40627744487 = 1118119203843
BaseRepresentation
bin100101110101100110…
…100010111011100111
310212212102021021001022
4211311212202323213
51131201200310422
630355241321355
72635536062441
oct456546427347
9125772237038
1040627744487
1116259336840
127a5a19625b
133aa61435c5
141d75ad7491
1510cbb85342
hex9759a2ee7

40627744487 has 8 divisors (see below), whose sum is σ = 44323839360. Its totient is φ = 36932093560.

The previous prime is 40627744411. The next prime is 40627744523. The reversal of 40627744487 is 78444772604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40627744487 - 220 = 40626695911 is a prime.

It is a super-2 number, since 2×406277444872 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40627744187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97388 + ... + 301230.

It is an arithmetic number, because the mean of its divisors is an integer number (5540479920).

Almost surely, 240627744487 is an apocalyptic number.

40627744487 is a deficient number, since it is larger than the sum of its proper divisors (3696094873).

40627744487 is a wasteful number, since it uses less digits than its factorization.

40627744487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221973.

The product of its (nonzero) digits is 8429568, while the sum is 53.

The spelling of 40627744487 in words is "forty billion, six hundred twenty-seven million, seven hundred forty-four thousand, four hundred eighty-seven".

Divisors: 1 11 18119 199309 203843 2242273 3693431317 40627744487