193927469038540 has 24 divisors (see below), whose sum is σ = 407248334981712. Its totient is φ = 77570863805760.

The previous prime is 193927469038493. The next prime is 193927469038547. The reversal of 193927469038540 is 45830964729391.

It is a self number, because there is not a number n which added to its sum of digits gives 193927469038540.

It is not an unprimeable number, because it can be changed into a prime (193927469038547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5672730 + ... + 20494750.

It is an arithmetic number, because the mean of its divisors is an integer number (16968680624238).

It is a 1-persistent number, because it is pandigital, but 2⋅193927469038540 = 387854938077080 is not.

Almost surely, 2^{193927469038540} is an apocalyptic number.

193927469038540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

193927469038540 is an abundant number, since it is smaller than the sum of its proper divisors (213320865943172).

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

193927469038540 is a wasteful number, since it uses less digits than its factorization.

193927469038540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15476217 (or 15476215 counting only the distinct ones).

The product of its (nonzero) digits is 352719360, while the sum is 70.

The spelling of 193927469038540 in words is "one hundred ninety-three trillion, nine hundred twenty-seven billion, four hundred sixty-nine million, thirty-eight thousand, five hundred forty".