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44240660440 = 2357914000209
BaseRepresentation
bin101001001100111100…
…101110011111011000
311020012012121102000021
4221030330232133120
51211101102113230
632153542520224
73124216260214
oct511474563730
9136165542007
1044240660440
1117842776a99
1286a8136074
1342307c65b2
1421d9889944
15123de48c7a
hexa4cf2e7d8

44240660440 has 32 divisors (see below), whose sum is σ = 100801512000. Its totient is φ = 17472259584.

The previous prime is 44240660423. The next prime is 44240660461. The reversal of 44240660440 is 4406604244.

It is a junction number, because it is equal to n+sod(n) for n = 44240660396 and 44240660405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6996945 + ... + 7003264.

It is an arithmetic number, because the mean of its divisors is an integer number (3150047250).

Almost surely, 244240660440 is an apocalyptic number.

44240660440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44240660440 is an abundant number, since it is smaller than the sum of its proper divisors (56560851560).

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

44240660440 is a wasteful number, since it uses less digits than its factorization.

44240660440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14000299 (or 14000295 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 44240660440 in words is "forty-four billion, two hundred forty million, six hundred sixty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 79 158 316 395 632 790 1580 3160 14000209 28000418 56000836 70001045 112001672 140002090 280004180 560008360 1106016511 2212033022 4424066044 5530082555 8848132088 11060165110 22120330220 44240660440