516206412440 has 32 divisors (see below), whose sum is σ = 1178799724080. Its totient is φ = 203400734592.

The previous prime is 516206412413. The next prime is 516206412497. The reversal of 516206412440 is 44214602615.

It is a self number, because there is not a number n which added to its sum of digits gives 516206412440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96304487 + ... + 96309846.

Almost surely, 2^516206412440 is an apocalyptic number.

It is an amenable number.

516206412440 is an abundant number, since it is smaller than the sum of its proper divisors (662593311640).

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

516206412440 is a wasteful number, since it uses less digits than its factorization.

516206412440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192614411 (or 192614407 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 516206412440 in words is "five hundred sixteen billion, two hundred six million, four hundred twelve thousand, four hundred forty".