516950449240 has 64 divisors (see below), whose sum is σ = 1206248436000. Its totient is φ = 199151769600.

The previous prime is 516950449237. The next prime is 516950449283. The reversal of 516950449240 is 42944059615.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90510 + ... + 1020829.

Almost surely, 2^516950449240 is an apocalyptic number.

It is an amenable number.

516950449240 is an abundant number, since it is smaller than the sum of its proper divisors (689297986760).

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

516950449240 is a wasteful number, since it uses less digits than its factorization.

516950449240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111780 (or 1111776 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 49.

The spelling of 516950449240 in words is "five hundred sixteen billion, nine hundred fifty million, four hundred forty-nine thousand, two hundred forty".