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1040400000441 = 32881238155109
BaseRepresentation
bin11110010001111001010…
…11000010010110111001
310200110110021011002102200
433020330223002112321
5114021214400003231
62113541514420413
7135111040042614
oct17107453022671
93613407132380
101040400000441
1137125a74a20a
12149777a31709
137715618c949
14384d9bb917b
151c0e3411be6
hexf23cac25b9

1040400000441 has 24 divisors (see below), whose sum is σ = 1505164981320. Its totient is φ = 692509171200.

The previous prime is 1040400000427. The next prime is 1040400000463. The reversal of 1040400000441 is 1440000040401.

It can be written as a sum of positive squares in 4 ways, for example, as 874976400 + 1039525024041 = 29580^2 + 1019571^2 .

It is not a de Polignac number, because 1040400000441 - 26 = 1040400000377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1040400000491) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18851395 + ... + 18906503.

It is an arithmetic number, because the mean of its divisors is an integer number (62715207555).

Almost surely, 21040400000441 is an apocalyptic number.

It is an amenable number.

1040400000441 is a deficient number, since it is larger than the sum of its proper divisors (464764980879).

1040400000441 is a wasteful number, since it uses less digits than its factorization.

1040400000441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58377 (or 58374 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 1040400000441 its reverse (1440000040401), we get a palindrome (2480400040842).

The spelling of 1040400000441 in words is "one trillion, forty billion, four hundred million, four hundred forty-one", and thus it is an aban number.

Divisors: 1 3 9 881 2381 2643 7143 7929 21429 55109 165327 495981 2097661 6292983 18878949 48551029 131214529 145653087 393643587 436959261 1180930761 115600000049 346800000147 1040400000441