19540068582000 has 160 divisors (see below), whose sum is σ = 63646638479424. Its totient is φ = 5156966400000.

The previous prime is 19540068581987. The next prime is 19540068582007. The reversal of 19540068582000 is 28586004591.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19540068582007) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 16205001 + ... + 17369000.

Almost surely, 2^{19540068582000} is an apocalyptic number.

19540068582000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19540068582000 is an abundant number, since it is smaller than the sum of its proper divisors (44106569897424).

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

19540068582000 is a wasteful number, since it uses less digits than its factorization.

19540068582000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33574124 (or 33574108 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The spelling of 19540068582000 in words is "nineteen trillion, five hundred forty billion, sixty-eight million, five hundred eighty-two thousand".