505746720038 has 8 divisors (see below), whose sum is σ = 866994377232. Its totient is φ = 216748594296.

The previous prime is 505746720029. The next prime is 505746720043. The reversal of 505746720038 is 830027647505.

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

It is a junction number, because it is equal to n+sod(n) for n = 505746719974 and 505746720001.

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, 18062382845 + ... + 18062382872.

It is an arithmetic number, because the mean of its divisors is an integer number (108374297154).

Almost surely, 2^505746720038 is an apocalyptic number.

505746720038 is a deficient number, since it is larger than the sum of its proper divisors (361247657194).

505746720038 is a wasteful number, since it uses less digits than its factorization.

505746720038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36124765726.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 505746720038 in words is "five hundred five billion, seven hundred forty-six million, seven hundred twenty thousand, thirty-eight".