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40323204411420 = 223572574315991447
BaseRepresentation
bin10010010101100011110100…
…10001100111000000011100
312021202212020110001021101210
421022301322101213000130
520241123410312131140
6221432120244304420
711331153411155340
oct1112617221470034
9167685213037353
1040323204411420
1111936a7a737097
124632aa76a2110
131966600925718
149d5921319620
1549dd74616d80
hex24ac7a46701c

40323204411420 has 384 divisors, whose sum is σ = 130143515443200. Its totient is φ = 9137957437440.

The previous prime is 40323204411409. The next prime is 40323204411421. The reversal of 40323204411420 is 2411440232304.

It is a super-2 number, since 2×403232044114202 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40323204411421) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 27866761137 + ... + 27866762583.

It is an arithmetic number, because the mean of its divisors is an integer number (338915404800).

Almost surely, 240323204411420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40323204411420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65071757721600).

40323204411420 is an abundant number, since it is smaller than the sum of its proper divisors (89820311031780).

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

40323204411420 is a wasteful number, since it uses less digits than its factorization.

40323204411420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2753 (or 2751 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 40323204411420 its reverse (2411440232304), we get a palindrome (42734644643724).

The spelling of 40323204411420 in words is "forty trillion, three hundred twenty-three billion, two hundred four million, four hundred eleven thousand, four hundred twenty".