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2040222040040 = 235367138979703
BaseRepresentation
bin11101101100000110101…
…101011011111111101000
321020001011120201012010202
4131230012231123333220
5231411333320240130
64201133130531332
7300254414126642
oct35540655337750
97201146635122
102040222040040
11717287175898
1228b4aa296b48
1311a513619a72
1470a66739892
153810e224145
hex1db06b5bfe8

2040222040040 has 32 divisors (see below), whose sum is σ = 4603007796480. Its totient is φ = 813865134912.

The previous prime is 2040222040039. The next prime is 2040222040091. The reversal of 2040222040040 is 400402220402.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2040222039994 and 2040222040021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69475172 + ... + 69504531.

It is an arithmetic number, because the mean of its divisors is an integer number (143843993640).

Almost surely, 22040222040040 is an apocalyptic number.

2040222040040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2040222040040 is an abundant number, since it is smaller than the sum of its proper divisors (2562785756440).

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

2040222040040 is a wasteful number, since it uses less digits than its factorization.

2040222040040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138980081 (or 138980077 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 2040222040040 its reverse (400402220402), we get a palindrome (2440624260442).

The spelling of 2040222040040 in words is "two trillion, forty billion, two hundred twenty-two million, forty thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 367 734 1468 1835 2936 3670 7340 14680 138979703 277959406 555918812 694898515 1111837624 1389797030 2779594060 5559188120 51005551001 102011102002 204022204004 255027755005 408044408008 510055510010 1020111020020 2040222040040