400211421032 has 32 divisors (see below), whose sum is σ = 798570618120. Its totient is φ = 187378759680.

The previous prime is 400211421013. The next prime is 400211421047. The reversal of 400211421032 is 230124112004.

It can be written as a sum of positive squares in 4 ways, for example, as 325394948356 + 74816472676 = 570434^2 + 273526^2 .

It is a junction number, because it is equal to n+sod(n) for n = 400211420995 and 400211421013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7442069 + ... + 7495652.

Almost surely, 2^400211421032 is an apocalyptic number.

It is an amenable number.

400211421032 is a deficient number, since it is larger than the sum of its proper divisors (398359197088).

400211421032 is a wasteful number, since it uses less digits than its factorization.

400211421032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14937941 (or 14937937 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 400211421032 its reverse (230124112004), we get a palindrome (630335533036).

The spelling of 400211421032 in words is "four hundred billion, two hundred eleven million, four hundred twenty-one thousand, thirty-two".