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40334411021 = 177972976929
BaseRepresentation
bin100101100100000111…
…100100010100001101
310212002222022101011212
4211210013210110031
51130101102123041
630310202224205
72625344560022
oct454407442415
9125088271155
1040334411021
11161187a5a93
127997ab5065
133a5a43acc8
141d48b7b549
1510b10418eb
hex9641e450d

40334411021 has 8 divisors (see below), whose sum is σ = 42760622520. Its totient is φ = 37914155008.

The previous prime is 40334411009. The next prime is 40334411027. The reversal of 40334411021 is 12011443304.

It can be written as a sum of positive squares in 4 ways, for example, as 9537670921 + 30796740100 = 97661^2 + 175490^2 .

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 40334411021 - 214 = 40334394637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40334411027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1474916 + ... + 1502013.

It is an arithmetic number, because the mean of its divisors is an integer number (5345077815).

Almost surely, 240334411021 is an apocalyptic number.

It is an amenable number.

40334411021 is a deficient number, since it is larger than the sum of its proper divisors (2426211499).

40334411021 is a wasteful number, since it uses less digits than its factorization.

40334411021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2977743.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 40334411021 its reverse (12011443304), we get a palindrome (52345854325).

The spelling of 40334411021 in words is "forty billion, three hundred thirty-four million, four hundred eleven thousand, twenty-one".

Divisors: 1 17 797 13549 2976929 50607793 2372612413 40334411021