4212321680 has 40 divisors (see below), whose sum is σ = 11192741952. Its totient is φ = 1444224384.

The previous prime is 4212321671. The next prime is 4212321713. The reversal of 4212321680 is 861232124.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3760442 + ... + 3761561.

Almost surely, 2^4212321680 is an apocalyptic number.

4212321680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4212321680 is an abundant number, since it is smaller than the sum of its proper divisors (6980420272).

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

4212321680 is a wasteful number, since it uses less digits than its factorization.

4212321680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7522023 (or 7522017 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 4212321680 is about 64902.4011882457. The cubic root of 4212321680 is about 1615.0048953962.

The spelling of 4212321680 in words is "four billion, two hundred twelve million, three hundred twenty-one thousand, six hundred eighty".