420024140260 has 24 divisors (see below), whose sum is σ = 882329164920. Its totient is φ = 167956614144.

The previous prime is 420024140227. The next prime is 420024140293. The reversal of 420024140260 is 62041420024.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (420024140227) and next prime (420024140293).

It can be written as a sum of positive squares in 4 ways, for example, as 141550517824 + 278473622436 = 376232^2 + 527706^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3250159 + ... + 3376918.

It is an arithmetic number, because the mean of its divisors is an integer number (36763715205).

Almost surely, 2^420024140260 is an apocalyptic number.

It is an amenable number.

420024140260 is an abundant number, since it is smaller than the sum of its proper divisors (462305024660).

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

420024140260 is a wasteful number, since it uses less digits than its factorization.

420024140260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6630255 (or 6630253 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 420024140260 its reverse (62041420024), we get a palindrome (482065560284).

The spelling of 420024140260 in words is "four hundred twenty billion, twenty-four million, one hundred forty thousand, two hundred sixty".