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40441456 = 2411229781
BaseRepresentation
bin1001101001000…
…1011001110000
32211002122020201
42122101121300
540323111311
64002444544
71000514056
oct232213160
984078221
1040441456
11209122a0
1211663754
1384bc773
14552a1d6
15383c9c1
hex2691670

40441456 has 20 divisors (see below), whose sum is σ = 85478904. Its totient is φ = 18382400.

The previous prime is 40441409. The next prime is 40441459. The reversal of 40441456 is 65414404.

It is a super-2 number, since 2×404414562 = 3271022726799872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40441459) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 114715 + ... + 115066.

Almost surely, 240441456 is an apocalyptic number.

It is an amenable number.

40441456 is an abundant number, since it is smaller than the sum of its proper divisors (45037448).

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

40441456 is a wasteful number, since it uses less digits than its factorization.

40441456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229800 (or 229794 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 40441456 is about 6359.3597161979. The cubic root of 40441456 is about 343.2487209935.

The spelling of 40441456 in words is "forty million, four hundred forty-one thousand, four hundred fifty-six".

Divisors: 1 2 4 8 11 16 22 44 88 176 229781 459562 919124 1838248 2527591 3676496 5055182 10110364 20220728 40441456