19520085027464 has 32 divisors (see below), whose sum is σ = 41828918788800. Its totient is φ = 8365717694400.

The previous prime is 19520085027463. The next prime is 19520085027481. The reversal of 19520085027464 is 46472058002591.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (19520085027463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18217814 + ... + 19259514.

It is an arithmetic number, because the mean of its divisors is an integer number (1307153712150).

Almost surely, 2^{19520085027464} is an apocalyptic number.

19520085027464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19520085027464 is an abundant number, since it is smaller than the sum of its proper divisors (22308833761336).

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

19520085027464 is a wasteful number, since it uses less digits than its factorization.

19520085027464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376333 (or 1376329 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 19520085027464 in words is "nineteen trillion, five hundred twenty billion, eighty-five million, twenty-seven thousand, four hundred sixty-four".