420443110032 has 80 divisors (see below), whose sum is σ = 1198198578240. Its totient is φ = 125975449600.

The previous prime is 420443110019. The next prime is 420443110069. The reversal of 420443110032 is 230011344024.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 420443109984 and 420443110011.

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, 4426569 + ... + 4520552.

It is an arithmetic number, because the mean of its divisors is an integer number (14977482228).

Almost surely, 2^420443110032 is an apocalyptic number.

It is an amenable number.

420443110032 is an abundant number, since it is smaller than the sum of its proper divisors (777755468208).

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

420443110032 is a wasteful number, since it uses less digits than its factorization.

420443110032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8947232 (or 8947226 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 420443110032 its reverse (230011344024), we get a palindrome (650454454056).

The spelling of 420443110032 in words is "four hundred twenty billion, four hundred forty-three million, one hundred ten thousand, thirty-two".