420343402524402 has 32 divisors (see below), whose sum is σ = 962790734131200. Its totient is φ = 119847388247568.

The previous prime is 420343402524371. The next prime is 420343402524403. The reversal of 420343402524402 is 204425204343024.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (420343402524403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10446927952 + ... + 10446968187.

It is an arithmetic number, because the mean of its divisors is an integer number (30087210441600).

Almost surely, 2^{420343402524402} is an apocalyptic number.

420343402524402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

420343402524402 is an abundant number, since it is smaller than the sum of its proper divisors (542447331606798).

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

420343402524402 is a wasteful number, since it uses less digits than its factorization.

420343402524402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20893896630.

The product of its (nonzero) digits is 737280, while the sum is 39.

Adding to 420343402524402 its reverse (204425204343024), we get a palindrome (624768606867426).

The spelling of 420343402524402 in words is "four hundred twenty trillion, three hundred forty-three billion, four hundred two million, five hundred twenty-four thousand, four hundred two".