500418778652 has 24 divisors (see below), whose sum is σ = 956379991392. Its totient is φ = 227709518400.

The previous prime is 500418778649. The next prime is 500418778681. The reversal of 500418778652 is 256877814005.

It is a junction number, because it is equal to n+sod(n) for n = 500418778594 and 500418778603.

It is a congruent number.

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, 67766999 + ... + 67774382.

It is an arithmetic number, because the mean of its divisors is an integer number (39849166308).

Almost surely, 2^500418778652 is an apocalyptic number.

500418778652 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

500418778652 is a deficient number, since it is larger than the sum of its proper divisors (455961212740).

500418778652 is a wasteful number, since it uses less digits than its factorization.

500418778652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135541469 (or 135541467 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 53.

The spelling of 500418778652 in words is "five hundred billion, four hundred eighteen million, seven hundred seventy-eight thousand, six hundred fifty-two".