421089650691280 has 80 divisors (see below), whose sum is σ = 979828846940160. Its totient is φ = 168299071376384.

The previous prime is 421089650691217. The next prime is 421089650691319. The reversal of 421089650691280 is 82196056980124.

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

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, 486399441 + ... + 487264399.

It is an arithmetic number, because the mean of its divisors is an integer number (12247860586752).

Almost surely, 2^{421089650691280} is an apocalyptic number.

421089650691280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

421089650691280 is an abundant number, since it is smaller than the sum of its proper divisors (558739196248880).

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

421089650691280 is a wasteful number, since it uses less digits than its factorization.

421089650691280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869908 (or 869902 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 421089650691280 in words is "four hundred twenty-one trillion, eighty-nine billion, six hundred fifty million, six hundred ninety-one thousand, two hundred eighty".