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8442038246400 = 2103452113111939
BaseRepresentation
bin111101011011001000010…
…1100001101110000000000
31002220001101011022221210000
41322312100230031300000
52101303243242341100
625542115133440000
71530626402055333
oct172662054156000
932801334287700
108442038246400
112765280563330
12b44159640000
134931086606c5
1421284d9c261a
15e98e4260900
hex7ad90b0dc00

8442038246400 has 1320 divisors, whose sum is σ = 35204684613120. Its totient is φ = 1980370944000.

The previous prime is 8442038246351. The next prime is 8442038246423. The reversal of 8442038246400 is 46428302448.

It is a tau number, because it is divible by the number of its divisors (1320).

It is a super-2 number, since 2×84420382464002 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 707091631 + ... + 707103569.

It is an arithmetic number, because the mean of its divisors is an integer number (26670215616).

Almost surely, 28442038246400 is an apocalyptic number.

8442038246400 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8442038246400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17602342306560).

8442038246400 is an abundant number, since it is smaller than the sum of its proper divisors (26762646366720).

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

8442038246400 is a wasteful number, since it uses less digits than its factorization.

8442038246400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12023 (or 11991 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 45.

The spelling of 8442038246400 in words is "eight trillion, four hundred forty-two billion, thirty-eight million, two hundred forty-six thousand, four hundred".