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40424322023221 = 1913750715472637
BaseRepresentation
bin10010011000100000001010…
…10110101011111100110101
312022010112020111200011211011
421030100011112223330311
520244303002414220341
6221550402133512221
711341363245531313
oct1114200526537465
9168115214604734
1040424322023221
1111975949a16504
12464a6077a2671
131972cc6b41206
149da7949810b3
154a17e1a15b81
hex24c4055abf35

40424322023221 has 8 divisors (see below), whose sum is σ = 42552230122080. Its totient is φ = 38296445144688.

The previous prime is 40424322023219. The next prime is 40424322023249. The reversal of 40424322023221 is 12232022342404.

It is a happy number.

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 40424322023221 - 21 = 40424322023219 is a prime.

It is a super-2 number, since 2×404243220232212 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40424322023621) 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, 5123686 + ... + 10348951.

It is an arithmetic number, because the mean of its divisors is an integer number (5319028765260).

Almost surely, 240424322023221 is an apocalyptic number.

It is an amenable number.

40424322023221 is a deficient number, since it is larger than the sum of its proper divisors (2127908098859).

40424322023221 is a wasteful number, since it uses less digits than its factorization.

40424322023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15610163.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 40424322023221 its reverse (12232022342404), we get a palindrome (52656344365625).

The spelling of 40424322023221 in words is "forty trillion, four hundred twenty-four billion, three hundred twenty-two million, twenty-three thousand, two hundred twenty-one".

Divisors: 1 19 137507 2612633 15472637 293980103 2127595895959 40424322023221