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40242212132 = 2225997386989
BaseRepresentation
bin100101011110100111…
…110110110100100100
310211212112211012002012
4211132213312310210
51124404001242012
630253110133352
72623145105423
oct453647666444
9124775735065
1040242212132
1116080752661
127971051258
133a442c9255
141d3a81b2ba
1510a7dcd622
hex95e9f6d24

40242212132 has 12 divisors (see below), whose sum is σ = 70426762140. Its totient is φ = 20120280096.

The previous prime is 40242212119. The next prime is 40242212137. The reversal of 40242212132 is 23121224204.

It can be written as a sum of positive squares in 2 ways, for example, as 8929494016 + 31312718116 = 94496^2 + 176954^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40242212098 and 40242212107.

It is not an unprimeable number, because it can be changed into a prime (40242212137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89507 + ... + 297482.

It is an arithmetic number, because the mean of its divisors is an integer number (5868896845).

Almost surely, 240242212132 is an apocalyptic number.

It is an amenable number.

40242212132 is a deficient number, since it is larger than the sum of its proper divisors (30184550008).

40242212132 is a wasteful number, since it uses less digits than its factorization.

40242212132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412990 (or 412988 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 40242212132 its reverse (23121224204), we get a palindrome (63363436336).

The spelling of 40242212132 in words is "forty billion, two hundred forty-two million, two hundred twelve thousand, one hundred thirty-two".

Divisors: 1 2 4 25997 51994 103988 386989 773978 1547956 10060553033 20121106066 40242212132