Search a number
-
+
40231341340 = 2255573611431
BaseRepresentation
bin100101011101111110…
…011000110100011100
310211211210100220011021
4211131332120310130
51124343210410330
630252041133524
72622653521231
oct453576306434
9124753326137
1040231341340
11160755a8233
12796948a2a4
133a41c91228
141d391cb788
1510a6e8267a
hex95df98d1c

40231341340 has 24 divisors (see below), whose sum is σ = 84637520352. Its totient is φ = 16063640640.

The previous prime is 40231341317. The next prime is 40231341349. The reversal of 40231341340 is 4314313204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40231341349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794576 + ... + 1816855.

It is an arithmetic number, because the mean of its divisors is an integer number (3526563348).

Almost surely, 240231341340 is an apocalyptic number.

It is an amenable number.

40231341340 is an abundant number, since it is smaller than the sum of its proper divisors (44406179012).

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

40231341340 is a wasteful number, since it uses less digits than its factorization.

40231341340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611997 (or 3611995 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 40231341340 its reverse (4314313204), we get a palindrome (44545654544).

The spelling of 40231341340 in words is "forty billion, two hundred thirty-one million, three hundred forty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 557 1114 2228 2785 5570 11140 3611431 7222862 14445724 18057155 36114310 72228620 2011567067 4023134134 8046268268 10057835335 20115670670 40231341340