420411442440 has 128 divisors (see below), whose sum is σ = 1376120016000. Its totient is φ = 101901035520.

The previous prime is 420411442393. The next prime is 420411442457. The reversal of 420411442440 is 44244114024.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 420411442398 and 420411442407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9149764 + ... + 9195596.

It is an arithmetic number, because the mean of its divisors is an integer number (10750937625).

Almost surely, 2^420411442440 is an apocalyptic number.

420411442440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420411442440 is an abundant number, since it is smaller than the sum of its proper divisors (955708573560).

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

420411442440 is a wasteful number, since it uses less digits than its factorization.

420411442440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52807 (or 52803 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 420411442440 its reverse (44244114024), we get a palindrome (464655556464).

The spelling of 420411442440 in words is "four hundred twenty billion, four hundred eleven million, four hundred forty-two thousand, four hundred forty".