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40320412143400 = 23521471137051027
BaseRepresentation
bin10010010101011110100111…
…10101111100111100101000
312021202121000211220100202201
421022233103311330330220
520241102201002042100
6221430535220305544
711331024254242264
oct1112572365747450
9167677024810681
1040320412143400
111193587755a874
1246324485422b4
1319662772a491c
149d57385490a4
1549dc5e40836a
hex24abd3d7cf28

40320412143400 has 48 divisors (see below), whose sum is σ = 93808687645440. Its totient is φ = 16117200657600.

The previous prime is 40320412143377. The next prime is 40320412143413. The reversal of 40320412143400 is 434121402304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68231314 + ... + 68819713.

It is an arithmetic number, because the mean of its divisors is an integer number (1954347659280).

Almost surely, 240320412143400 is an apocalyptic number.

40320412143400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40320412143400 is an abundant number, since it is smaller than the sum of its proper divisors (53488275502040).

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

40320412143400 is a wasteful number, since it uses less digits than its factorization.

40320412143400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137052514 (or 137052505 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 40320412143400 its reverse (434121402304), we get a palindrome (40754533545704).

The spelling of 40320412143400 in words is "forty trillion, three hundred twenty billion, four hundred twelve million, one hundred forty-three thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1471 2942 5884 7355 11768 14710 29420 36775 58840 73550 147100 294200 137051027 274102054 548204108 685255135 1096408216 1370510270 2741020540 3426275675 5482041080 6852551350 13705102700 27410205400 201602060717 403204121434 806408242868 1008010303585 1612816485736 2016020607170 4032041214340 5040051517925 8064082428680 10080103035850 20160206071700 40320412143400