512540040416 has 24 divisors (see below), whose sum is σ = 1009210666464. Its totient is φ = 256232569600.

The previous prime is 512540040401. The next prime is 512540040437. The reversal of 512540040416 is 614040045215.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 947285 + ... + 1386516.

It is an arithmetic number, because the mean of its divisors is an integer number (42050444436).

Almost surely, 2^512540040416 is an apocalyptic number.

It is an amenable number.

512540040416 is a deficient number, since it is larger than the sum of its proper divisors (496670626048).

512540040416 is a wasteful number, since it uses less digits than its factorization.

512540040416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340674 (or 2340666 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 512540040416 in words is "five hundred twelve billion, five hundred forty million, forty thousand, four hundred sixteen".