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40401210442 = 21071911994967
BaseRepresentation
bin100101101000000110…
…011000110001001010
310212021122000010202111
4211220012120301022
51130220202213232
630320550052534
72630115423355
oct455006306112
9125248003674
1040401210442
111615248041a
1279b634a14a
133a6b228aa8
141d539a929c
1510b6d39047
hex968198c4a

40401210442 has 32 divisors (see below), whose sum is σ = 61809868800. Its totient is φ = 19803017520.

The previous prime is 40401210439. The next prime is 40401210467. The reversal of 40401210442 is 24401210404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8131443 + ... + 8136409.

It is an arithmetic number, because the mean of its divisors is an integer number (1931558400).

Almost surely, 240401210442 is an apocalyptic number.

40401210442 is a deficient number, since it is larger than the sum of its proper divisors (21408658358).

40401210442 is a wasteful number, since it uses less digits than its factorization.

40401210442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5466.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 40401210442 its reverse (24401210404), we get a palindrome (64802420846).

The spelling of 40401210442 in words is "forty billion, four hundred one million, two hundred ten thousand, four hundred forty-two".

Divisors: 1 2 107 191 199 214 382 398 4967 9934 20437 21293 38009 40874 42586 76018 531469 948697 988433 1062938 1897394 1976866 4066963 8133926 101510579 105762331 188790703 203021158 211524662 377581406 20200605221 40401210442