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2440390064590 = 252113892973221
BaseRepresentation
bin100011100000110010100…
…101010011100111001110
322122022001222110002111001
4203200302211103213032
5304440404324031330
65105033312250514
7341212066201312
oct43406245234716
98568058402431
102440390064590
11860a66630555
12334b69840a3a
131491879c81ca
1486188d59b42
154373075c9ca
hex238329539ce

2440390064590 has 32 divisors (see below), whose sum is σ = 4424867909280. Its totient is φ = 969031862400.

The previous prime is 2440390064579. The next prime is 2440390064591. The reversal of 2440390064590 is 954600930442.

It is a self number, because there is not a number n which added to its sum of digits gives 2440390064590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440390064591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 665821 + ... + 2307400.

It is an arithmetic number, because the mean of its divisors is an integer number (138277122165).

Almost surely, 22440390064590 is an apocalyptic number.

2440390064590 is a deficient number, since it is larger than the sum of its proper divisors (1984477844690).

2440390064590 is a wasteful number, since it uses less digits than its factorization.

2440390064590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973828.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 2440390064590 in words is "two trillion, four hundred forty billion, three hundred ninety million, sixty-four thousand, five hundred ninety".

Divisors: 1 2 5 10 211 389 422 778 1055 1945 2110 3890 82079 164158 410395 820790 2973221 5946442 14866105 29732210 627349631 1156582969 1254699262 2313165938 3136748155 5782914845 6273496310 11565829690 244039006459 488078012918 1220195032295 2440390064590