19770507443008 has 28 divisors (see below), whose sum is σ = 44836686523552. Its totient is φ = 8473074618240.

The previous prime is 19770507442999. The next prime is 19770507443021. The reversal of 19770507443008 is 80034470507791.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 19770507443008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22065298038 + ... + 22065298933.

It is an arithmetic number, because the mean of its divisors is an integer number (1601310232984).

Almost surely, 2^{19770507443008} is an apocalyptic number.

It is an amenable number.

19770507443008 is an abundant number, since it is smaller than the sum of its proper divisors (25066179080544).

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

19770507443008 is an equidigital number, since it uses as much as digits as its factorization.

19770507443008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44130596990 (or 44130596980 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 55.

The spelling of 19770507443008 in words is "nineteen trillion, seven hundred seventy billion, five hundred seven million, four hundred forty-three thousand, eight".