512053257442 has 16 divisors (see below), whose sum is σ = 768676487040. Its totient is φ = 255827821392.

The previous prime is 512053257389. The next prime is 512053257497. The reversal of 512053257442 is 244752350215.

It is a junction number, because it is equal to n+sod(n) for n = 512053257395 and 512053257404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24514359 + ... + 24535237.

It is an arithmetic number, because the mean of its divisors is an integer number (48042280440).

Almost surely, 2^512053257442 is an apocalyptic number.

512053257442 is a deficient number, since it is larger than the sum of its proper divisors (256623229598).

512053257442 is a wasteful number, since it uses less digits than its factorization.

512053257442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29817.

The product of its (nonzero) digits is 336000, while the sum is 40.

The spelling of 512053257442 in words is "five hundred twelve billion, fifty-three million, two hundred fifty-seven thousand, four hundred forty-two".