504400923512 has 8 divisors (see below), whose sum is σ = 945751731600. Its totient is φ = 252200461752.

The previous prime is 504400923511. The next prime is 504400923527. The reversal of 504400923512 is 215329004405.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×504400923512³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504400923511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31525057712 + ... + 31525057727.

It is an arithmetic number, because the mean of its divisors is an integer number (118218966450).

Almost surely, 2^504400923512 is an apocalyptic number.

It is an amenable number.

504400923512 is a deficient number, since it is larger than the sum of its proper divisors (441350808088).

504400923512 is a wasteful number, since it uses less digits than its factorization.

504400923512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63050115445 (or 63050115441 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 504400923512 its reverse (215329004405), we get a palindrome (719729927917).

The spelling of 504400923512 in words is "five hundred four billion, four hundred million, nine hundred twenty-three thousand, five hundred twelve".