420353514 has 48 divisors (see below), whose sum is σ = 1048407360. Its totient is φ = 119232000.

The previous prime is 420353513. The next prime is 420353519. The reversal of 420353514 is 415353024.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (420353513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5514 + ... + 29514.

It is an arithmetic number, because the mean of its divisors is an integer number (21841820).

Almost surely, 2^420353514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420353514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524203680).

420353514 is an abundant number, since it is smaller than the sum of its proper divisors (628053846).

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

420353514 is a wasteful number, since it uses less digits than its factorization.

420353514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24155 (or 24152 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 420353514 is about 20502.5245762565. The cubic root of 420353514 is about 749.0972925950.

The spelling of 420353514 in words is "four hundred twenty million, three hundred fifty-three thousand, five hundred fourteen".