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4042400041 = 20871936943
BaseRepresentation
bin1111000011110010…
…0010000100101001
3101102201111012101001
43300330202010221
531234323300131
61505042355001
7202113555601
oct36074420451
911381435331
104042400041
111794913a89
1294995ba61
134c56487b4
142a4c2dc01
15189d4d261
hexf0f22129

4042400041 has 4 divisors (see below), whose sum is σ = 4044339072. Its totient is φ = 4040461012.

The previous prime is 4042400027. The next prime is 4042400077. The reversal of 4042400041 is 1400042404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4042400041 - 27 = 4042399913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4042399991 and 4042400018.

It is not an unprimeable number, because it can be changed into a prime (4042400441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 966385 + ... + 970558.

It is an arithmetic number, because the mean of its divisors is an integer number (1011084768).

Almost surely, 24042400041 is an apocalyptic number.

It is an amenable number.

4042400041 is a deficient number, since it is larger than the sum of its proper divisors (1939031).

4042400041 is a wasteful number, since it uses less digits than its factorization.

4042400041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939030.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 4042400041 is about 63579.8713509236. The cubic root of 4042400041 is about 1592.9901724705.

Adding to 4042400041 its reverse (1400042404), we get a palindrome (5442442445).

The spelling of 4042400041 in words is "four billion, forty-two million, four hundred thousand, forty-one".

Divisors: 1 2087 1936943 4042400041