420043001334 has 128 divisors (see below), whose sum is σ = 971751168000. Its totient is φ = 119706566400.

The previous prime is 420043001327. The next prime is 420043001359. The reversal of 420043001334 is 433100340024.

It is a super-2 number, since 2×420043001334² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 170817397 + ... + 170819855.

It is an arithmetic number, because the mean of its divisors is an integer number (7591806000).

Almost surely, 2^420043001334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420043001334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (485875584000).

420043001334 is an abundant number, since it is smaller than the sum of its proper divisors (551708166666).

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

420043001334 is a wasteful number, since it uses less digits than its factorization.

420043001334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 420043001334 its reverse (433100340024), we get a palindrome (853143341358).

The spelling of 420043001334 in words is "four hundred twenty billion, forty-three million, one thousand, three hundred thirty-four".