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10440667404 = 2232290018539
BaseRepresentation
bin10011011100100111…
…11111000100001100
3222221121221212011100
421232103333010030
5132340302324104
64444003423100
7516505131366
oct115623770414
928847855140
1010440667404
114478536a52
122034684a90
13ca509a30b
147108b1d36
15411906139
hex26e4ff10c

10440667404 has 18 divisors (see below), whose sum is σ = 26391687140. Its totient is φ = 3480222456.

The previous prime is 10440667337. The next prime is 10440667421. The reversal of 10440667404 is 40476604401.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 290018539 = 10440667404 / (1 + 0 + 4 + 4 + 0 + 6 + 6 + 7 + 4 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 145009234 + ... + 145009305.

Almost surely, 210440667404 is an apocalyptic number.

It is an amenable number.

10440667404 is an abundant number, since it is smaller than the sum of its proper divisors (15951019736).

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

10440667404 is a wasteful number, since it uses less digits than its factorization.

10440667404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290018549 (or 290018544 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 10440667404 in words is "ten billion, four hundred forty million, six hundred sixty-seven thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 290018539 580037078 870055617 1160074156 1740111234 2610166851 3480222468 5220333702 10440667404