512470357840 has 160 divisors (see below), whose sum is σ = 1367189280000. Its totient is φ = 174998237184.

The previous prime is 512470357829. The next prime is 512470357849. The reversal of 512470357840 is 48753074215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512470357849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189872811 + ... + 189875509.

It is an arithmetic number, because the mean of its divisors is an integer number (8544933000).

Almost surely, 2^512470357840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 512470357840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683594640000).

512470357840 is an abundant number, since it is smaller than the sum of its proper divisors (854718922160).

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

512470357840 is a wasteful number, since it uses less digits than its factorization.

512470357840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957 (or 3951 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 512470357840 in words is "five hundred twelve billion, four hundred seventy million, three hundred fifty-seven thousand, eight hundred forty".