505658474496 has 600 divisors, whose sum is σ = 1764613313100. Its totient is φ = 144473849856.

The previous prime is 505658474401. The next prime is 505658474507. The reversal of 505658474496 is 694474856505.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

505658474496 is a `hidden beast` number, since 5 + 0 + 5 + 6 + 584 + 7 + 4 + 49 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 72236924925 + ... + 72236924931.

Almost surely, 2^505658474496 is an apocalyptic number.

505658474496 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505658474496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (882306656550).

505658474496 is an abundant number, since it is smaller than the sum of its proper divisors (1258954838604).

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

505658474496 is an frugal number, since it uses more digits than its factorization.

505658474496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 63.

The spelling of 505658474496 in words is "five hundred five billion, six hundred fifty-eight million, four hundred seventy-four thousand, four hundred ninety-six".