32400400441 has 2 divisors, whose sum is σ = 32400400442. Its totient is φ = 32400400440.

The previous prime is 32400400399. The next prime is 32400400531. The reversal of 32400400441 is 14400400423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25871114025 + 6529286416 = 160845^2 + 80804^2 .

It is a cyclic number.

It is not a de Polignac number, because 32400400441 - 2⁹ = 32400399929 is a prime.

It is not a weakly prime, because it can be changed into another prime (32400400741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16200200220 + 16200200221.

It is an arithmetic number, because the mean of its divisors is an integer number (16200200221).

Almost surely, 2^32400400441 is an apocalyptic number.

It is an amenable number.

32400400441 is a deficient number, since it is larger than the sum of its proper divisors (1).

32400400441 is an equidigital number, since it uses as much as digits as its factorization.

32400400441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 32400400441 its reverse (14400400423), we get a palindrome (46800800864).

The spelling of 32400400441 in words is "thirty-two billion, four hundred million, four hundred thousand, four hundred forty-one".