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42237296640 = 21733571131
BaseRepresentation
bin100111010101100010…
…100000000000000000
311001000120220222112000
4213111202200000000
51143000221443030
631223055504000
73023452045350
oct472542400000
9131016828460
1042237296640
1116a04942130
128229228000
133ca1742126
142089796b60
15117311e860
hex9d58a0000

42237296640 has 1152 divisors, whose sum is σ = 193272791040. Its totient is φ = 8493465600.

The previous prime is 42237296627. The next prime is 42237296681. The reversal of 42237296640 is 4669273224.

It is a tau number, because it is divible by the number of its divisors (1152).

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 63 ways as a sum of consecutive naturals, for example, 1362493425 + ... + 1362493455.

It is an arithmetic number, because the mean of its divisors is an integer number (167771520).

Almost surely, 242237296640 is an apocalyptic number.

42237296640 is a gapful number since it is divisible by the number (40) 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 42237296640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96636395520).

42237296640 is an abundant number, since it is smaller than the sum of its proper divisors (151035494400).

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

42237296640 is an equidigital number, since it uses as much as digits as its factorization.

42237296640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 59 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The spelling of 42237296640 in words is "forty-two billion, two hundred thirty-seven million, two hundred ninety-six thousand, six hundred forty".