505363640254 has 8 divisors (see below), whose sum is σ = 826958684088. Its totient is φ = 229710745560.

The previous prime is 505363640237. The next prime is 505363640263. The reversal of 505363640254 is 452046363505.

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

It is a super-3 number, since 3×505363640254³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505363640254.

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, 11485537257 + ... + 11485537300.

It is an arithmetic number, because the mean of its divisors is an integer number (103369835511).

Almost surely, 2^505363640254 is an apocalyptic number.

505363640254 is a deficient number, since it is larger than the sum of its proper divisors (321595043834).

505363640254 is a wasteful number, since it uses less digits than its factorization.

505363640254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22971074570.

The product of its (nonzero) digits is 1296000, while the sum is 43.

The spelling of 505363640254 in words is "five hundred five billion, three hundred sixty-three million, six hundred forty thousand, two hundred fifty-four".