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40254660750440 = 2357421913559419
BaseRepresentation
bin10010010011100100001001…
…10000010010110001101000
312021112022022112001112002102
421021302010300102301220
520234013021123003230
6221340422535552532
711323206006520133
oct1111620460226150
9167468275045072
1040254660750440
111190a9a6614094
12462175852b748
13195ccc9124346
149d249bcbd21a
1549c1b1cc9045
hex249c84c12c68

40254660750440 has 32 divisors (see below), whose sum is σ = 90574213716000. Its totient is φ = 16101646161984.

The previous prime is 40254660750413. The next prime is 40254660750443. The reversal of 40254660750440 is 4405706645204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40254660750443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3810950 + ... + 9748469.

It is an arithmetic number, because the mean of its divisors is an integer number (2830444178625).

Almost surely, 240254660750440 is an apocalyptic number.

40254660750440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40254660750440 is an abundant number, since it is smaller than the sum of its proper divisors (50319552965560).

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

40254660750440 is a wasteful number, since it uses less digits than its factorization.

40254660750440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13633649 (or 13633645 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 47.

The spelling of 40254660750440 in words is "forty trillion, two hundred fifty-four billion, six hundred sixty million, seven hundred fifty thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 74219 148438 296876 371095 593752 742190 1484380 2968760 13559419 27118838 54237676 67797095 108475352 135594190 271188380 542376760 1006366518761 2012733037522 4025466075044 5031832593805 8050932150088 10063665187610 20127330375220 40254660750440