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40422331678 = 2891791268669
BaseRepresentation
bin100101101001010110…
…111101010100011110
310212100002202012122111
4211221112331110132
51130241104103203
630323022504234
72630463102331
oct455126752436
9125302665574
1040422331678
1116163397093
127a0143507a
133a72712671
141d56706618
1510b8b0c26d
hex9695bd51e

40422331678 has 16 divisors (see below), whose sum is σ = 61657362000. Its totient is φ = 19872415552.

The previous prime is 40422331667. The next prime is 40422331681. The reversal of 40422331678 is 87613322404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40422331678.

It is a congruent number.

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, 602473 + ... + 666196.

It is an arithmetic number, because the mean of its divisors is an integer number (3853585125).

Almost surely, 240422331678 is an apocalyptic number.

40422331678 is a deficient number, since it is larger than the sum of its proper divisors (21235030322).

40422331678 is a wasteful number, since it uses less digits than its factorization.

40422331678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268939.

The product of its (nonzero) digits is 193536, while the sum is 40.

It can be divided in two parts, 40422 and 331678, that added together give a square (372100 = 6102).

The spelling of 40422331678 in words is "forty billion, four hundred twenty-two million, three hundred thirty-one thousand, six hundred seventy-eight".

Divisors: 1 2 89 178 179 358 15931 31862 1268669 2537338 112911541 225823082 227091751 454183502 20211165839 40422331678