19940255035 has 8 divisors (see below), whose sum is σ = 24088899600. Its totient is φ = 15845141664.

The previous prime is 19940255021. The next prime is 19940255051. The reversal of 19940255035 is 53055204991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19940255035 is a prime.

It is a super-2 number, since 2×19940255035² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19940254982 and 19940255000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13381977 + ... + 13383466.

It is an arithmetic number, because the mean of its divisors is an integer number (3011112450).

Almost surely, 2^19940255035 is an apocalyptic number.

19940255035 is a deficient number, since it is larger than the sum of its proper divisors (4148644565).

19940255035 is a wasteful number, since it uses less digits than its factorization.

19940255035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26765597.

The product of its (nonzero) digits is 243000, while the sum is 43.

The spelling of 19940255035 in words is "nineteen billion, nine hundred forty million, two hundred fifty-five thousand, thirty-five".