504123053015440 has 40 divisors (see below), whose sum is σ = 1209895327243008. Its totient is φ = 195144407617920.

The previous prime is 504123053015437. The next prime is 504123053015443. The reversal of 504123053015440 is 44510350321405.

It is an interprime number because it is at equal distance from previous prime (504123053015437) and next prime (504123053015443).

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 504123053015440.

It is not an unprimeable number, because it can be changed into a prime (504123053015443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101637709822 + ... + 101637714781.

Almost surely, 2^{504123053015440} is an apocalyptic number.

It is an amenable number.

504123053015440 is an abundant number, since it is smaller than the sum of its proper divisors (705772274227568).

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

504123053015440 is a wasteful number, since it uses less digits than its factorization.

504123053015440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203275424647 (or 203275424641 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 504123053015440 in words is "five hundred four trillion, one hundred twenty-three billion, fifty-three million, fifteen thousand, four hundred forty".