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440505044 = 227191038039
BaseRepresentation
bin11010010000011…
…001001011010100
31010200212222022122
4122100121023110
51400232130134
6111413315112
713626142160
oct3220311324
91120788278
10440505044
11206720a61
12103635a98
1370353c95
1442709ca0
1528a1502e
hex1a4192d4

440505044 has 48 divisors (see below), whose sum is σ = 936499200. Its totient is φ = 177093216.

The previous prime is 440505031. The next prime is 440505083.

440505044 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50777 + ... + 58815.

It is an arithmetic number, because the mean of its divisors is an integer number (19510400).

Almost surely, 2440505044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440505044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468249600).

440505044 is an abundant number, since it is smaller than the sum of its proper divisors (495994156).

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

440505044 is a wasteful number, since it uses less digits than its factorization.

440505044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8172 (or 8170 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 440505044 is about 20988.2120248486. The cubic root of 440505044 is about 760.8813897174.

It can be divided in two parts, 44050 and 5044, that added together give a palindrome (49094).

The spelling of 440505044 in words is "four hundred forty million, five hundred five thousand, forty-four".

Divisors: 1 2 4 7 14 19 28 38 76 103 133 206 266 412 532 721 1442 1957 2884 3914 7828 8039 13699 16078 27398 32156 54796 56273 112546 152741 225092 305482 610964 828017 1069187 1656034 2138374 3312068 4276748 5796119 11592238 15732323 23184476 31464646 62929292 110126261 220252522 440505044