190387342840396 has 24 divisors (see below), whose sum is σ = 377691489847280. Its totient is φ = 83246287557312.

The previous prime is 190387342840381. The next prime is 190387342840399. The reversal of 190387342840396 is 693048243783091.

It is a super-2 number, since 2×190387342840396² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190387342840399) 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, 96349868871 + ... + 96349870846.

Almost surely, 2^{190387342840396} is an apocalyptic number.

It is an amenable number.

190387342840396 is a deficient number, since it is larger than the sum of its proper divisors (187304147006884).

190387342840396 is a wasteful number, since it uses less digits than its factorization.

190387342840396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192699739753 (or 192699739751 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 67.

The spelling of 190387342840396 in words is "one hundred ninety trillion, three hundred eighty-seven billion, three hundred forty-two million, eight hundred forty thousand, three hundred ninety-six".