505431546342 has 32 divisors (see below), whose sum is σ = 1012708580832. Its totient is φ = 168169714944.

The previous prime is 505431546317. The next prime is 505431546343. The reversal of 505431546342 is 243645134505.

It is a super-2 number, since 2×505431546342² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 505431546294 and 505431546303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505431546343) 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, 23374728 + ... + 23396340.

It is an arithmetic number, because the mean of its divisors is an integer number (31647143151).

Almost surely, 2^505431546342 is an apocalyptic number.

505431546342 is an abundant number, since it is smaller than the sum of its proper divisors (507277034490).

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

505431546342 is a wasteful number, since it uses less digits than its factorization.

505431546342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28552.

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 505431546342 in words is "five hundred five billion, four hundred thirty-one million, five hundred forty-six thousand, three hundred forty-two".