19426042143585 has 480 divisors, whose sum is σ = 46628999239680. Its totient is φ = 7629809644800.

The previous prime is 19426042143583. The next prime is 19426042143593. The reversal of 19426042143585 is 58534124062491.

19426042143585 is a `hidden beast` number, since 1 + 9 + 4 + 2 + 6 + 0 + 42 + 14 + 3 + 585 = 666.

It is not a de Polignac number, because 19426042143585 - 2¹ = 19426042143583 is a prime.

It is a super-2 number, since 2×19426042143585² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19426042143583) by changing a digit.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 1787612322 + ... + 1787623188.

It is an arithmetic number, because the mean of its divisors is an integer number (97143748416).

Almost surely, 2^{19426042143585} is an apocalyptic number.

19426042143585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

19426042143585 is an abundant number, since it is smaller than the sum of its proper divisors (27202957096095).

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

19426042143585 is a wasteful number, since it uses less digits than its factorization.

19426042143585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11359 (or 11343 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 19426042143585 in words is "nineteen trillion, four hundred twenty-six billion, forty-two million, one hundred forty-three thousand, five hundred eighty-five".