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32446422140 = 22511467315811
BaseRepresentation
bin11110001101111101…
…010001110001111100
310002202020200000122112
4132031331101301330
51012422241002030
622523343233152
72226024015626
oct361575216174
9102666600575
1032446422140
1112840183210
1263562a87b8
1330a1185772
1417db30dc16
15c9d7bea95
hex78df51c7c

32446422140 has 48 divisors (see below), whose sum is σ = 74491208064. Its totient is φ = 11773396800.

The previous prime is 32446422091. The next prime is 32446422143. The reversal of 32446422140 is 4122464423.

It is a junction number, because it is equal to n+sod(n) for n = 32446422097 and 32446422106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32446422143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55166 + ... + 260645.

It is an arithmetic number, because the mean of its divisors is an integer number (1551900168).

Almost surely, 232446422140 is an apocalyptic number.

It is an amenable number.

32446422140 is an abundant number, since it is smaller than the sum of its proper divisors (42044785924).

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

32446422140 is a wasteful number, since it uses less digits than its factorization.

32446422140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316298 (or 316296 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 32446422140 its reverse (4122464423), we get a palindrome (36568886563).

It can be divided in two parts, 324 and 46422140, that added together give a palindrome (46422464).

The spelling of 32446422140 in words is "thirty-two billion, four hundred forty-six million, four hundred twenty-two thousand, one hundred forty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 467 934 1868 2335 4670 5137 9340 10274 20548 25685 51370 102740 315811 631622 1263244 1579055 3158110 3473921 6316220 6947842 13895684 17369605 34739210 69478420 147483737 294967474 589934948 737418685 1474837370 1622321107 2949674740 3244642214 6489284428 8111605535 16223211070 32446422140