512054040 has 32 divisors (see below), whose sum is σ = 1536162480. Its totient is φ = 136547712.

The previous prime is 512054033. The next prime is 512054051. The reversal of 512054040 is 40450215.

It is a junction number, because it is equal to n+sod(n) for n = 512053998 and 512054016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2133439 + ... + 2133678.

Almost surely, 2^512054040 is an apocalyptic number.

It is an amenable number.

512054040 is an abundant number, since it is smaller than the sum of its proper divisors (1024108440).

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

512054040 is a wasteful number, since it uses less digits than its factorization.

512054040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267131 (or 4267127 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 512054040 is about 22628.6110930388. The cubic root of 512054040 is about 800.0281448432.

The spelling of 512054040 in words is "five hundred twelve million, fifty-four thousand, forty".