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10440044740 = 225522002237
BaseRepresentation
bin10011011100100011…
…00111000011000100
3222221120210020000201
421232101213003010
5132340122412430
64443542220244
7516466626136
oct115621470304
928846706021
1010440044740
114478151154
122034424684
13ca4c0ca88
1471078d056
154118318ca
hex26e4670c4

10440044740 has 12 divisors (see below), whose sum is σ = 21924093996. Its totient is φ = 4176017888.

The previous prime is 10440044711. The next prime is 10440044753. The reversal of 10440044740 is 4744004401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2387495044 + 8052549696 = 48862^2 + 89736^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10440044699 and 10440044708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261001099 + ... + 261001138.

It is an arithmetic number, because the mean of its divisors is an integer number (1827007833).

Almost surely, 210440044740 is an apocalyptic number.

10440044740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10440044740 is an abundant number, since it is smaller than the sum of its proper divisors (11484049256).

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

10440044740 is a wasteful number, since it uses less digits than its factorization.

10440044740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522002246 (or 522002244 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 28.

The spelling of 10440044740 in words is "ten billion, four hundred forty million, forty-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 522002237 1044004474 2088008948 2610011185 5220022370 10440044740