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42442432221210 = 2357436771988051
BaseRepresentation
bin10011010011001111001100…
…00110001001000000011010
312120021110100002001102000220
421221213212012021000122
521030334100122034320
6230133441215140510
711640236015266410
oct1151474606110032
9176243302042026
1042442432221210
111258380957606a
124915764814736
131a8b3c53aa368
14a6a3207452b0
154d90598b7e40
hex2699e618901a

42442432221210 has 256 divisors, whose sum is σ = 122601665691648. Its totient is φ = 9202618656000.

The previous prime is 42442432221197. The next prime is 42442432221239. The reversal of 42442432221210 is 1212223424424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 42461685 + ... + 43449735.

It is an arithmetic number, because the mean of its divisors is an integer number (478912756608).

Almost surely, 242442432221210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42442432221210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61300832845824).

42442432221210 is an abundant number, since it is smaller than the sum of its proper divisors (80159233470438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42442432221210 is a wasteful number, since it uses less digits than its factorization.

42442432221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988249.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 42442432221210 its reverse (1212223424424), we get a palindrome (43654655645634).

The spelling of 42442432221210 in words is "forty-two trillion, four hundred forty-two billion, four hundred thirty-two million, two hundred twenty-one thousand, two hundred ten".