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40400222441 = 175934007561
BaseRepresentation
bin100101101000000010…
…100111100011101001
310212021120010221110212
4211220002213203221
51130214424104231
630320512550505
72630104140035
oct455002474351
9125246127425
1040400222441
1116151966097
1279b5b52435
133a6ac71187
141d537cd1c5
1510b6be142b
hex9680a78e9

40400222441 has 8 divisors (see below), whose sum is σ = 42848852904. Its totient is φ = 37959608320.

The previous prime is 40400222417. The next prime is 40400222479. The reversal of 40400222441 is 14422200404.

It can be written as a sum of positive squares in 4 ways, for example, as 2361571216 + 38038651225 = 48596^2 + 195035^2 .

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 40400222441 - 218 = 40399960297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40400222341) 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, 1993700 + ... + 2013861.

It is an arithmetic number, because the mean of its divisors is an integer number (5356106613).

Almost surely, 240400222441 is an apocalyptic number.

It is an amenable number.

40400222441 is a deficient number, since it is larger than the sum of its proper divisors (2448630463).

40400222441 is a wasteful number, since it uses less digits than its factorization.

40400222441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008171.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 40400222441 its reverse (14422200404), we get a palindrome (54822422845).

The spelling of 40400222441 in words is "forty billion, four hundred million, two hundred twenty-two thousand, four hundred forty-one".

Divisors: 1 17 593 10081 4007561 68128537 2376483673 40400222441