510747536442 has 128 divisors (see below), whose sum is σ = 1239468023808. Its totient is φ = 138182227200.

The previous prime is 510747536437. The next prime is 510747536449. The reversal of 510747536442 is 244635747015.

It is a junction number, because it is equal to n+sod(n) for n = 510747536391 and 510747536400.

It is not an unprimeable number, because it can be changed into a prime (510747536449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 62687413 + ... + 62695559.

It is an arithmetic number, because the mean of its divisors is an integer number (9683343936).

Almost surely, 2^510747536442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 510747536442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (619734011904).

510747536442 is an abundant number, since it is smaller than the sum of its proper divisors (728720487366).

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

510747536442 is a wasteful number, since it uses less digits than its factorization.

510747536442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10564.

The product of its (nonzero) digits is 2822400, while the sum is 48.

The spelling of 510747536442 in words is "five hundred ten billion, seven hundred forty-seven million, five hundred thirty-six thousand, four hundred forty-two".