420224413340 has 24 divisors (see below), whose sum is σ = 888092110752. Its totient is φ = 167019128640.

The previous prime is 420224413327. The next prime is 420224413351. The reversal of 420224413340 is 43314422024.

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, 66911576 + ... + 66917855.

It is an arithmetic number, because the mean of its divisors is an integer number (37003837948).

Almost surely, 2^420224413340 is an apocalyptic number.

It is an amenable number.

420224413340 is an abundant number, since it is smaller than the sum of its proper divisors (467867697412).

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

420224413340 is a wasteful number, since it uses less digits than its factorization.

420224413340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133829597 (or 133829595 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 420224413340 its reverse (43314422024), we get a palindrome (463538835364).

The spelling of 420224413340 in words is "four hundred twenty billion, two hundred twenty-four million, four hundred thirteen thousand, three hundred forty".