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40444311407 is a prime number
BaseRepresentation
bin100101101010101010…
…110011011101101111
310212101122002220011112
4211222222303131233
51130312220431112
630325125542235
72631150655223
oct455252633557
9125348086145
1040444311407
1116174839855
127a0887497b
133a77139c16
141d595c8783
1510ba9eea22
hex96aab376f

40444311407 has 2 divisors, whose sum is σ = 40444311408. Its totient is φ = 40444311406.

The previous prime is 40444311283. The next prime is 40444311437. The reversal of 40444311407 is 70411344404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40444311407 - 218 = 40444049263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40444311437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20222155703 + 20222155704.

It is an arithmetic number, because the mean of its divisors is an integer number (20222155704).

Almost surely, 240444311407 is an apocalyptic number.

40444311407 is a deficient number, since it is larger than the sum of its proper divisors (1).

40444311407 is an equidigital number, since it uses as much as digits as its factorization.

40444311407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21504, while the sum is 32.

The spelling of 40444311407 in words is "forty billion, four hundred forty-four million, three hundred eleven thousand, four hundred seven".