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2440520353242 = 232711909640339
BaseRepresentation
bin100011100000111010010…
…110010100010111011010
322122022102001121102220200
4203200322112110113122
5304441141202300432
65105054245003030
7341215240503516
oct43407226242732
98568361542820
102440520353242
1186102312a324
12334ba53b3476
131491a89b519a
148619c393146
154373bde6a7c
hex2383a5945da

2440520353242 has 24 divisors (see below), whose sum is σ = 5362270074720. Its totient is φ = 802048941960.

The previous prime is 2440520353223. The next prime is 2440520353247. The reversal of 2440520353242 is 2423530250442.

2440520353242 is a `hidden beast` number, since 2 + 4 + 40 + 5 + 20 + 353 + 242 = 666.

It is a super-2 number, since 2×24405203532422 (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2440520353197 and 2440520353206.

It is not an unprimeable number, because it can be changed into a prime (2440520353247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 954818892 + ... + 954821447.

It is an arithmetic number, because the mean of its divisors is an integer number (223427919780).

Almost surely, 22440520353242 is an apocalyptic number.

2440520353242 is an abundant number, since it is smaller than the sum of its proper divisors (2921749721478).

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

2440520353242 is a wasteful number, since it uses less digits than its factorization.

2440520353242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909640418 (or 1909640415 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

The spelling of 2440520353242 in words is "two trillion, four hundred forty billion, five hundred twenty million, three hundred fifty-three thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 71 142 213 426 639 1278 1909640339 3819280678 5728921017 11457842034 17186763051 34373526102 135584464069 271168928138 406753392207 813506784414 1220260176621 2440520353242