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40020202404442 = 2137497792052923
BaseRepresentation
bin10010001100101111011011…
…11100101011101001011010
312020200220010201022111021001
421012113231330223221122
520221142333303420232
6221041005511535214
711300235631461031
oct1106275574535132
9166626121274231
1040020202404442
111182a521a29597
1245a422498a50a
131943b72b8bc30
149c4db960b718
1549603d6196e7
hex2465edf2ba5a

40020202404442 has 16 divisors (see below), whose sum is σ = 64648136982240. Its totient is φ = 18470829015792.

The previous prime is 40020202404431. The next prime is 40020202404461. The reversal of 40020202404442 is 24440420202004.

It is a self number, because there is not a number n which added to its sum of digits gives 40020202404442.

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, 18467793 + ... + 20520715.

It is an arithmetic number, because the mean of its divisors is an integer number (4040508561390).

Almost surely, 240020202404442 is an apocalyptic number.

40020202404442 is a deficient number, since it is larger than the sum of its proper divisors (24627934577798).

40020202404442 is a wasteful number, since it uses less digits than its factorization.

40020202404442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2802717.

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 40020202404442 its reverse (24440420202004), we get a palindrome (64460622606446).

The spelling of 40020202404442 in words is "forty trillion, twenty billion, two hundred two million, four hundred four thousand, four hundred forty-two".

Divisors: 1 2 13 26 749779 1499558 2052923 4105846 9747127 19494254 26687999 53375998 1539238554017 3078477108034 20010101202221 40020202404442