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401444968441 = 1179971475759
BaseRepresentation
bin1011101011101111111…
…11000001011111111001
31102101012101112101001111
411311313333001133321
523034124402442231
6504230554520321
741001115633666
oct5656777013771
91371171471044
10401444968441
111452852455a0
12659771360a1
132bb18b02c5a
141560405ca6d
15a6986c24b1
hex5d77fc17f9

401444968441 has 16 divisors (see below), whose sum is σ = 443941171200. Its totient is φ = 359958502800.

The previous prime is 401444968433. The next prime is 401444968493. The reversal of 401444968441 is 144869444104.

It is a cyclic number.

It is not a de Polignac number, because 401444968441 - 23 = 401444968433 is a prime.

It is a super-2 number, since 2×4014449684412 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401444968411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 605920 + ... + 1081678.

It is an arithmetic number, because the mean of its divisors is an integer number (27746323200).

Almost surely, 2401444968441 is an apocalyptic number.

It is an amenable number.

401444968441 is a deficient number, since it is larger than the sum of its proper divisors (42496202759).

401444968441 is a wasteful number, since it uses less digits than its factorization.

401444968441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476820.

The product of its (nonzero) digits is 1769472, while the sum is 49.

The spelling of 401444968441 in words is "four hundred one billion, four hundred forty-four million, nine hundred sixty-eight thousand, four hundred forty-one".

Divisors: 1 11 79 869 971 10681 76709 475759 843799 5233349 37584961 413434571 461961989 5081581879 36494997131 401444968441