420243860424 has 64 divisors (see below), whose sum is σ = 1054012452480. Its totient is φ = 139628160000.

The previous prime is 420243860359. The next prime is 420243860437. The reversal of 420243860424 is 424068342024.

420243860424 is digitally balanced in base 4 and base 7, because in such bases it contains all the possibile digits an equal number of times.

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, 12117589 + ... + 12152219.

It is an arithmetic number, because the mean of its divisors is an integer number (16468944570).

Almost surely, 2^420243860424 is an apocalyptic number.

It is an amenable number.

420243860424 is an abundant number, since it is smaller than the sum of its proper divisors (633768592056).

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

420243860424 is a wasteful number, since it uses less digits than its factorization.

420243860424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36262 (or 36258 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 39.

The spelling of 420243860424 in words is "four hundred twenty billion, two hundred forty-three million, eight hundred sixty thousand, four hundred twenty-four".