210648229680 has 80 divisors (see below), whose sum is σ = 746296591104. Its totient is φ = 48148166400.

The previous prime is 210648229667. The next prime is 210648229723. The reversal of 210648229680 is 86922846012.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 62691246 + ... + 62694605.

Almost surely, 2^210648229680 is an apocalyptic number.

210648229680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210648229680 is an abundant number, since it is smaller than the sum of its proper divisors (535648361424).

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

210648229680 is a wasteful number, since it uses less digits than its factorization.

210648229680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125385874 (or 125385868 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 210648229680 in words is "two hundred ten billion, six hundred forty-eight million, two hundred twenty-nine thousand, six hundred eighty".