400420202240430 has 96 divisors (see below), whose sum is σ = 1043113419155808. Its totient is φ = 106571458406400.

The previous prime is 400420202240393. The next prime is 400420202240453. The reversal of 400420202240430 is 34042202024004.

400420202240430 is a `hidden beast` number, since 4 + 0 + 0 + 4 + 2 + 0 + 2 + 0 + 224 + 0 + 430 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 400420202240394 and 400420202240403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4029254902 + ... + 4029354278.

It is an arithmetic number, because the mean of its divisors is an integer number (10865764782873).

Almost surely, 2^{400420202240430} is an apocalyptic number.

400420202240430 is an abundant number, since it is smaller than the sum of its proper divisors (642693216915378).

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

400420202240430 is a wasteful number, since it uses less digits than its factorization.

400420202240430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185842 (or 185839 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 400420202240430 its reverse (34042202024004), we get a palindrome (434462404264434).

The spelling of 400420202240430 in words is "four hundred trillion, four hundred twenty billion, two hundred two million, two hundred forty thousand, four hundred thirty".