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485573672640 = 26357261727611
BaseRepresentation
bin1110001000011100111…
…00100011111011000000
31201102100110112100110210
413010032130203323000
530423423330011030
61011023000554120
750036653055040
oct7041634437300
91642313470423
10485573672640
11177a26752201
127a135782940
1336a354101b4
1419705291720
15c96e38abb0
hex710e723ec0

485573672640 has 224 divisors, whose sum is σ = 1762675858944. Its totient is φ = 110941839360.

The previous prime is 485573672579. The next prime is 485573672651. The reversal of 485573672640 is 46276375584.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is a super-2 number, since 2×4855736726402 (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17572435 + ... + 17600045.

It is an arithmetic number, because the mean of its divisors is an integer number (7869088656).

Almost surely, 2485573672640 is an apocalyptic number.

485573672640 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 485573672640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (881337929472).

485573672640 is an abundant number, since it is smaller than the sum of its proper divisors (1277102186304).

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

485573672640 is a wasteful number, since it uses less digits than its factorization.

485573672640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30255 (or 30245 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 57.

The spelling of 485573672640 in words is "four hundred eighty-five billion, five hundred seventy-three million, six hundred seventy-two thousand, six hundred forty".