420356260 has 24 divisors (see below), whose sum is σ = 906607800. Its totient is φ = 163597824.

The previous prime is 420356221. The next prime is 420356269. The reversal of 420356260 is 62653024.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 195776064 + 224580196 = 13992^2 + 14986^2 .

It is not an unprimeable number, because it can be changed into a prime (420356269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283285 + ... + 284764.

It is an arithmetic number, because the mean of its divisors is an integer number (37775325).

Almost surely, 2^420356260 is an apocalyptic number.

It is an amenable number.

420356260 is an abundant number, since it is smaller than the sum of its proper divisors (486251540).

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

420356260 is a wasteful number, since it uses less digits than its factorization.

420356260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568095 (or 568093 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 420356260 is about 20502.5915435098. The cubic root of 420356260 is about 749.0989237750.

The spelling of 420356260 in words is "four hundred twenty million, three hundred fifty-six thousand, two hundred sixty".