512102040 has 32 divisors (see below), whose sum is σ = 1536306480. Its totient is φ = 136560512.

The previous prime is 512102029. The next prime is 512102111. The reversal of 512102040 is 40201215.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 2133639 + ... + 2133878.

Almost surely, 2^512102040 is an apocalyptic number.

It is an amenable number.

512102040 is an abundant number, since it is smaller than the sum of its proper divisors (1024204440).

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

512102040 is a wasteful number, since it uses less digits than its factorization.

512102040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267531 (or 4267527 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 512102040 is about 22629.6716723862. The cubic root of 512102040 is about 800.0531423031.

Adding to 512102040 its reverse (40201215), we get a palindrome (552303255).

The spelling of 512102040 in words is "five hundred twelve million, one hundred two thousand, forty".