505154103253440 has 112 divisors (see below), whose sum is σ = 1603869825162240. Its totient is φ = 134707294950400.

The previous prime is 505154103253439. The next prime is 505154103253507. The reversal of 505154103253440 is 44352301451505.

It is a junction number, because it is equal to n+sod(n) for n = 505154103253392 and 505154103253401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345399241 + ... + 346858679.

Almost surely, 2^{505154103253440} is an apocalyptic number.

It is an amenable number.

505154103253440 is an abundant number, since it is smaller than the sum of its proper divisors (1098715721908800).

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

505154103253440 is a wasteful number, since it uses less digits than its factorization.

505154103253440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820010 (or 1820000 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 505154103253440 in words is "five hundred five trillion, one hundred fifty-four billion, one hundred three million, two hundred fifty-three thousand, four hundred forty".