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40214444221 = 75744920603
BaseRepresentation
bin100101011100111101…
…111011100010111101
310211210121120102200001
4211130331323202331
51124324344203341
630250235034301
72622360064420
oct453475734275
9124717512601
1040214444221
1116067007176
12796389b991
133a3b626233
141d36c6d9b7
1510a5745d31
hex95cf7b8bd

40214444221 has 4 divisors (see below), whose sum is σ = 45959364832. Its totient is φ = 34469523612.

The previous prime is 40214444201. The next prime is 40214444269. The reversal of 40214444221 is 12244441204.

It is a happy number.

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 40214444221 - 213 = 40214436029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40214444221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40214444201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2872460295 + ... + 2872460308.

It is an arithmetic number, because the mean of its divisors is an integer number (11489841208).

Almost surely, 240214444221 is an apocalyptic number.

It is an amenable number.

40214444221 is a deficient number, since it is larger than the sum of its proper divisors (5744920611).

40214444221 is an equidigital number, since it uses as much as digits as its factorization.

40214444221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5744920610.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 40214444221 its reverse (12244441204), we get a palindrome (52458885425).

The spelling of 40214444221 in words is "forty billion, two hundred fourteen million, four hundred forty-four thousand, two hundred twenty-one".

Divisors: 1 7 5744920603 40214444221