505345153040 has 80 divisors (see below), whose sum is σ = 1446064612608. Its totient is φ = 159933408768.

The previous prime is 505345153013. The next prime is 505345153087. The reversal of 505345153040 is 40351543505.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34700492 + ... + 34715051.

Almost surely, 2^505345153040 is an apocalyptic number.

It is an amenable number.

505345153040 is an abundant number, since it is smaller than the sum of its proper divisors (940719459568).

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

505345153040 is a wasteful number, since it uses less digits than its factorization.

505345153040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69415576 (or 69415570 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 505345153040 its reverse (40351543505), we get a palindrome (545696696545).

The spelling of 505345153040 in words is "five hundred five billion, three hundred forty-five million, one hundred fifty-three thousand, forty".