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40985419687490 = 255521277423187
BaseRepresentation
bin10010101000110101010010…
…11000011010011001000010
312101010011112100220211010002
421110122221120122121002
520333001114414444430
6223100235240040002
711430045623143025
oct1124325130323102
9171104470824102
1040985419687490
1112071900a20413
12471b2ba163002
1319b3ba6c5c945
14a199c23491bc
154b11d1420845
hex2546a961a642

40985419687490 has 16 divisors (see below), whose sum is σ = 73773898993152. Its totient is φ = 16394135973744.

The previous prime is 40985419687489. The next prime is 40985419687507. The reversal of 40985419687490 is 9478691458904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1809677 + ... + 9232863.

It is an arithmetic number, because the mean of its divisors is an integer number (4610868687072).

Almost surely, 240985419687490 is an apocalyptic number.

40985419687490 is a deficient number, since it is larger than the sum of its proper divisors (32788479305662).

40985419687490 is a wasteful number, since it uses less digits than its factorization.

40985419687490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7975321.

The product of its (nonzero) digits is 627056640, while the sum is 74.

The spelling of 40985419687490 in words is "forty trillion, nine hundred eighty-five billion, four hundred nineteen million, six hundred eighty-seven thousand, four hundred ninety".

Divisors: 1 2 5 10 552127 1104254 2760635 5521270 7423187 14846374 37115935 74231870 4098541968749 8197083937498 20492709843745 40985419687490