400432242210 has 256 divisors, whose sum is σ = 1309609340928. Its totient is φ = 75659443200.

The previous prime is 400432242169. The next prime is 400432242239. The reversal of 400432242210 is 12242234004.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1912500 + ... + 2111520.

It is an arithmetic number, because the mean of its divisors is an integer number (5115661488).

Almost surely, 2^400432242210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400432242210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654804670464).

400432242210 is an abundant number, since it is smaller than the sum of its proper divisors (909177098718).

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

400432242210 is a wasteful number, since it uses less digits than its factorization.

400432242210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199129.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 400432242210 its reverse (12242234004), we get a palindrome (412674476214).

The spelling of 400432242210 in words is "four hundred billion, four hundred thirty-two million, two hundred forty-two thousand, two hundred ten".