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455401102640 = 24511517501253
BaseRepresentation
bin1101010000010000000…
…01010101110100110000
31121112110200111222120012
412220020001111310300
524430130140241030
6545113002034052
744621156334461
oct6501001256460
91545420458505
10455401102640
11166153060840
1274314aa8928
1333c37376093
1418081d64d68
15bca5525095
hex6a08055d30

455401102640 has 40 divisors (see below), whose sum is σ = 1155062798928. Its totient is φ = 165600400640.

The previous prime is 455401102609. The next prime is 455401102649. The reversal of 455401102640 is 46201104554.

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

It is a super-3 number, since 3×4554011026403 (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 455401102597 and 455401102606.

It is not an unprimeable number, because it can be changed into a prime (455401102649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258749747 + ... + 258751506.

Almost surely, 2455401102640 is an apocalyptic number.

455401102640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

455401102640 is an abundant number, since it is smaller than the sum of its proper divisors (699661696288).

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

455401102640 is a wasteful number, since it uses less digits than its factorization.

455401102640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517501277 (or 517501271 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 455401102640 in words is "four hundred fifty-five billion, four hundred one million, one hundred two thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 517501253 1035002506 2070005012 2587506265 4140010024 5175012530 5692513783 8280020048 10350025060 11385027566 20700050120 22770055132 28462568915 41400100240 45540110264 56925137830 91080220528 113850275660 227700551320 455401102640