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40900636 = 2271460737
BaseRepresentation
bin1001110000000…
…1100000011100
32211221222010101
42130001200130
540432310021
64020350444
71004435560
oct234014034
984858111
1040900636
11210a6287
1211845424
13862077a
1456096a0
1538cda91
hex270181c

40900636 has 12 divisors (see below), whose sum is σ = 81801328. Its totient is φ = 17528832.

The previous prime is 40900621. The next prime is 40900637. The reversal of 40900636 is 63600904.

40900636 is an admirable number.

It is a super-3 number, since 3×409006363 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 1460737 = 40900636 / (4 + 0 + 9 + 0 + 0 + 6 + 3 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40900637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 730341 + ... + 730396.

Almost surely, 240900636 is an apocalyptic number.

It is an amenable number.

40900636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40900636 is a wasteful number, since it uses less digits than its factorization.

40900636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460748 (or 1460746 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 40900636 is about 6395.3605058667. The cubic root of 40900636 is about 344.5429388193.

The spelling of 40900636 in words is "forty million, nine hundred thousand, six hundred thirty-six".

Divisors: 1 2 4 7 14 28 1460737 2921474 5842948 10225159 20450318 40900636