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40040401434 = 2311606672749
BaseRepresentation
bin100101010010100110…
…000000101000011010
310211100111002010211220
4211102212000220122
51124000320321214
630221100432510
72615144540145
oct452246005032
9124314063756
1040040401434
1115a87843260
127915548736
133a11559a37
141d1bac705c
1510953179a9
hex952980a1a

40040401434 has 16 divisors (see below), whose sum is σ = 87360876000. Its totient is φ = 12133454960.

The previous prime is 40040401421. The next prime is 40040401463. The reversal of 40040401434 is 43410404004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303336309 + ... + 303336440.

It is an arithmetic number, because the mean of its divisors is an integer number (5460054750).

Almost surely, 240040401434 is an apocalyptic number.

40040401434 is an abundant number, since it is smaller than the sum of its proper divisors (47320474566).

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

40040401434 is a wasteful number, since it uses less digits than its factorization.

40040401434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606672765.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 40040401434 its reverse (43410404004), we get a palindrome (83450805438).

The spelling of 40040401434 in words is "forty billion, forty million, four hundred one thousand, four hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 606672749 1213345498 1820018247 3640036494 6673400239 13346800478 20020200717 40040401434