210516045540 has 48 divisors (see below), whose sum is σ = 589466810688. Its totient is φ = 56135528064.

The previous prime is 210516045499. The next prime is 210516045557. The reversal of 210516045540 is 45540615012.

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, 2237079 + ... + 2329281.

It is an arithmetic number, because the mean of its divisors is an integer number (12280558556).

Almost surely, 2^210516045540 is an apocalyptic number.

210516045540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210516045540 is an abundant number, since it is smaller than the sum of its proper divisors (378950765148).

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

210516045540 is a wasteful number, since it uses less digits than its factorization.

210516045540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130268 (or 130266 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 210516045540 in words is "two hundred ten billion, five hundred sixteen million, forty-five thousand, five hundred forty".