420311440302 has 64 divisors (see below), whose sum is σ = 922895539776. Its totient is φ = 126813772800.

The previous prime is 420311440277. The next prime is 420311440363. The reversal of 420311440302 is 203044113024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7417108 + ... + 7473560.

It is an arithmetic number, because the mean of its divisors is an integer number (14420242809).

Almost surely, 2^420311440302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 420311440302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461447769888).

420311440302 is an abundant number, since it is smaller than the sum of its proper divisors (502584099474).

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

420311440302 is a wasteful number, since it uses less digits than its factorization.

420311440302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58325.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 420311440302 its reverse (203044113024), we get a palindrome (623355553326).

The spelling of 420311440302 in words is "four hundred twenty billion, three hundred eleven million, four hundred forty thousand, three hundred two".