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440655042 = 2373442507
BaseRepresentation
bin11010010000111…
…101110011000010
31010201011121002010
4122100331303002
51400301430132
6111420433350
713630335402
oct3220756302
91121147063
10440655042
11206813723
121036a8856
13703a7339
1442748802
1528a446cc
hex1a43dcc2

440655042 has 8 divisors (see below), whose sum is σ = 881310096. Its totient is φ = 146885012.

The previous prime is 440655041. The next prime is 440655067. The reversal of 440655042 is 240556044.

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

440655042 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (440655041) 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, 36721248 + ... + 36721259.

It is an arithmetic number, because the mean of its divisors is an integer number (110163762).

Almost surely, 2440655042 is an apocalyptic number.

440655042 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.

440655042 is a wasteful number, since it uses less digits than its factorization.

440655042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73442512.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 440655042 is about 20991.7851075129. The cubic root of 440655042 is about 760.9677434276.

The spelling of 440655042 in words is "four hundred forty million, six hundred fifty-five thousand, forty-two".

Divisors: 1 2 3 6 73442507 146885014 220327521 440655042