505140403534 has 32 divisors (see below), whose sum is σ = 827282828736. Its totient is φ = 229934899200.

The previous prime is 505140403531. The next prime is 505140403549. The reversal of 505140403534 is 435304041505.

It is a self number, because there is not a number n which added to its sum of digits gives 505140403534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505140403531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300639 + ... + 1049125.

It is an arithmetic number, because the mean of its divisors is an integer number (25852588398).

Almost surely, 2^505140403534 is an apocalyptic number.

505140403534 is a deficient number, since it is larger than the sum of its proper divisors (322142425202).

505140403534 is a wasteful number, since it uses less digits than its factorization.

505140403534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748860.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 505140403534 in words is "five hundred five billion, one hundred forty million, four hundred three thousand, five hundred thirty-four".