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40040614445 = 513616009453
BaseRepresentation
bin100101010010100110…
…110100101000101101
310211100111110222001012
4211102212310220231
51124000344130240
630221105155005
72615146415156
oct452246645055
9124314428035
1040040614445
1115a879792a7
12791562ba65
133a11602990
141d1bb4092d
15109535ab65
hex9529b4a2d

40040614445 has 8 divisors (see below), whose sum is σ = 51744794136. Its totient is φ = 29568453696.

The previous prime is 40040614441. The next prime is 40040614469. The reversal of 40040614445 is 54441604004.

It can be written as a sum of positive squares in 4 ways, for example, as 870663049 + 39169951396 = 29507^2 + 197914^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 40040614445 - 22 = 40040614441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40040614441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308004662 + ... + 308004791.

It is an arithmetic number, because the mean of its divisors is an integer number (6468099267).

Almost surely, 240040614445 is an apocalyptic number.

It is an amenable number.

40040614445 is a deficient number, since it is larger than the sum of its proper divisors (11704179691).

40040614445 is a wasteful number, since it uses less digits than its factorization.

40040614445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616009471.

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 40040614445 in words is "forty billion, forty million, six hundred fourteen thousand, four hundred forty-five".

Divisors: 1 5 13 65 616009453 3080047265 8008122889 40040614445