512766055542 has 32 divisors (see below), whose sum is σ = 1104562297440. Its totient is φ = 157753728000.

The previous prime is 512766055541. The next prime is 512766055579. The reversal of 512766055542 is 245550667215.

It is a super-2 number, since 2×512766055542² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512766055491 and 512766055500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512766055541) 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, 185542 + ... + 1029542.

It is an arithmetic number, because the mean of its divisors is an integer number (34517571795).

Almost surely, 2^512766055542 is an apocalyptic number.

512766055542 is an abundant number, since it is smaller than the sum of its proper divisors (591796241898).

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

512766055542 is a wasteful number, since it uses less digits than its factorization.

512766055542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851808.

The product of its (nonzero) digits is 2520000, while the sum is 48.

The spelling of 512766055542 in words is "five hundred twelve billion, seven hundred sixty-six million, fifty-five thousand, five hundred forty-two".