19390340352852 has 144 divisors (see below), whose sum is σ = 58615628710912. Its totient is φ = 5287940651520.

The previous prime is 19390340352841. The next prime is 19390340352941. The reversal of 19390340352852 is 25825304309391.

19390340352852 is a `hidden beast` number, since 1 + 9 + 39 + 0 + 34 + 0 + 3 + 528 + 52 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16430563 + ... + 17571114.

Almost surely, 2^{19390340352852} is an apocalyptic number.

19390340352852 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19390340352852 is an abundant number, since it is smaller than the sum of its proper divisors (39225288358060).

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

19390340352852 is a wasteful number, since it uses less digits than its factorization.

19390340352852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34001798 (or 34001793 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 54.

The spelling of 19390340352852 in words is "nineteen trillion, three hundred ninety billion, three hundred forty million, three hundred fifty-two thousand, eight hundred fifty-two".