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23425067440 = 245859340877
BaseRepresentation
bin10101110100001111…
…100010100110110000
32020110112101201111101
4111310033202212300
5340433304124230
614432240254144
71456331534155
oct256417424660
966415351441
1023425067440
119a30926975
124659011354
132294169568
1411c313a22c
159217c5aca
hex5743e29b0

23425067440 has 40 divisors (see below), whose sum is σ = 54526844880. Its totient is φ = 9359091456.

The previous prime is 23425067437. The next prime is 23425067441. The reversal of 23425067440 is 4476052432.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 23425067440.

It is not an unprimeable number, because it can be changed into a prime (23425067441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101719 + ... + 239158.

It is an arithmetic number, because the mean of its divisors is an integer number (1363171122).

Almost surely, 223425067440 is an apocalyptic number.

23425067440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23425067440 is an abundant number, since it is smaller than the sum of its proper divisors (31101777440).

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

23425067440 is a wasteful number, since it uses less digits than its factorization.

23425067440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341749 (or 341743 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 37.

The spelling of 23425067440 in words is "twenty-three billion, four hundred twenty-five million, sixty-seven thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 859 1718 3436 4295 6872 8590 13744 17180 34360 68720 340877 681754 1363508 1704385 2727016 3408770 5454032 6817540 13635080 27270160 292813343 585626686 1171253372 1464066715 2342506744 2928133430 4685013488 5856266860 11712533720 23425067440