505033751340 has 72 divisors (see below), whose sum is σ = 1532703921840. Its totient is φ = 134608132224.

The previous prime is 505033751281. The next prime is 505033751351. The reversal of 505033751340 is 43157330505.

505033751340 is a `hidden beast` number, since 50 + 50 + 3 + 3 + 7 + 513 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 505033751295 and 505033751304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 343030 + ... + 1061949.

It is an arithmetic number, because the mean of its divisors is an integer number (21287554470).

Almost surely, 2^505033751340 is an apocalyptic number.

It is an amenable number.

505033751340 is an abundant number, since it is smaller than the sum of its proper divisors (1027670170500).

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

505033751340 is a wasteful number, since it uses less digits than its factorization.

505033751340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406991 (or 1406986 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 36.

The spelling of 505033751340 in words is "five hundred five billion, thirty-three million, seven hundred fifty-one thousand, three hundred forty".