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40406703740028 = 223317791559178693
BaseRepresentation
bin10010010111111111010110…
…01110010001010001111100
312022001211202122202122211000
421023333223032101101330
520244010412124140103
6221534330004530300
711340200533562223
oct1113775316212174
9168054678678730
1040406703740028
111196942895158a
12464710b3b0990
131971449a20382
149d99a2b19cba
154a110ee0daa3
hex24bfeb39147c

40406703740028 has 192 divisors, whose sum is σ = 112397096448000. Its totient is φ = 12508051166208.

The previous prime is 40406703740027. The next prime is 40406703740041. The reversal of 40406703740028 is 82004730760404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40406703740027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 226034250 + ... + 226212942.

It is an arithmetic number, because the mean of its divisors is an integer number (585401544000).

Almost surely, 240406703740028 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 40406703740028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56198548224000).

40406703740028 is an abundant number, since it is smaller than the sum of its proper divisors (71990392707972).

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

40406703740028 is a wasteful number, since it uses less digits than its factorization.

40406703740028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180361 (or 180353 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 45.

The spelling of 40406703740028 in words is "forty trillion, four hundred six billion, seven hundred three million, seven hundred forty thousand, twenty-eight".