512764420 has 48 divisors (see below), whose sum is σ = 1255766400. Its totient is φ = 175802592.

The previous prime is 512764403. The next prime is 512764423. The reversal of 512764420 is 24467215.

It is not an unprimeable number, because it can be changed into a prime (512764423) 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, 30514 + ... + 44233.

It is an arithmetic number, because the mean of its divisors is an integer number (26161800).

Almost surely, 2^512764420 is an apocalyptic number.

It is an amenable number.

512764420 is an abundant number, since it is smaller than the sum of its proper divisors (743001980).

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

512764420 is a wasteful number, since it uses less digits than its factorization.

512764420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74777 (or 74761 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 512764420 is about 22644.3021530804. The cubic root of 512764420 is about 800.3979374411.

It can be divided in two parts, 51276 and 4420, that added together give a square (55696 = 236²).

The spelling of 512764420 in words is "five hundred twelve million, seven hundred sixty-four thousand, four hundred twenty".