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40026300640 = 255250164379
BaseRepresentation
bin100101010001110000…
…001110000011100000
310211022111112202012021
4211101300032003200
51123433213110030
630215434311224
72614613641024
oct452160160340
9124274482167
1040026300640
1115a7a892107
127910888514
133a0b660781
141d19c96384
151093e7e97a
hex951c0e0e0

40026300640 has 24 divisors (see below), whose sum is σ = 94562135640. Its totient is φ = 16010520192.

The previous prime is 40026300563. The next prime is 40026300647. The reversal of 40026300640 is 4600362004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40026300647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125082030 + ... + 125082349.

It is an arithmetic number, because the mean of its divisors is an integer number (3940088985).

Almost surely, 240026300640 is an apocalyptic number.

40026300640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40026300640 is an abundant number, since it is smaller than the sum of its proper divisors (54535835000).

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

40026300640 is a wasteful number, since it uses less digits than its factorization.

40026300640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250164394 (or 250164386 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 40026300640 its reverse (4600362004), we get a palindrome (44626662644).

The spelling of 40026300640 in words is "forty billion, twenty-six million, three hundred thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 250164379 500328758 1000657516 1250821895 2001315032 2501643790 4002630064 5003287580 8005260128 10006575160 20013150320 40026300640