420978180448 has 48 divisors (see below), whose sum is σ = 947804626944. Its totient is φ = 180304225920.

The previous prime is 420978180431. The next prime is 420978180487. The reversal of 420978180448 is 844081879024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246240 + ... + 950047.

It is an arithmetic number, because the mean of its divisors is an integer number (19745929728).

Almost surely, 2^420978180448 is an apocalyptic number.

It is an amenable number.

420978180448 is an abundant number, since it is smaller than the sum of its proper divisors (526826446496).

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

420978180448 is a wasteful number, since it uses less digits than its factorization.

420978180448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197875 (or 1197867 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 55.

The spelling of 420978180448 in words is "four hundred twenty billion, nine hundred seventy-eight million, one hundred eighty thousand, four hundred forty-eight".