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42899770368 = 2103371317259
BaseRepresentation
bin100111111101000001…
…101000110000000000
311002201202111010122000
4213331001220300000
51200324320122433
631412522544000
73046045013550
oct477501506000
9132652433560
1042899770368
1117214890484
128393068000
134078a72910
14210d763160
1511b137d113
hex9fd068c00

42899770368 has 1056 divisors, whose sum is σ = 168921715200. Its totient is φ = 10468196352.

The previous prime is 42899770343. The next prime is 42899770373. The reversal of 42899770368 is 86307799824.

42899770368 is a `hidden beast` number, since 42 + 89 + 97 + 70 + 368 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 727114723 + ... + 727114781.

Almost surely, 242899770368 is an apocalyptic number.

42899770368 is a gapful number since it is divisible by the number (48) 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 42899770368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84460857600).

42899770368 is an abundant number, since it is smaller than the sum of its proper divisors (126021944832).

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

42899770368 is a wasteful number, since it uses less digits than its factorization.

42899770368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 42899770368 in words is "forty-two billion, eight hundred ninety-nine million, seven hundred seventy thousand, three hundred sixty-eight".