102432005444 has 24 divisors (see below), whose sum is σ = 185632290648. Its totient is φ = 49425891840.

The previous prime is 102432005443. The next prime is 102432005491. The reversal of 102432005444 is 444500234201.

It can be written as a sum of positive squares in 4 ways, for example, as 1027971844 + 101404033600 = 32062^2 + 318440^2 .

It is not an unprimeable number, because it can be changed into a prime (102432005443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3947477 + ... + 3973340.

It is an arithmetic number, because the mean of its divisors is an integer number (7734678777).

Almost surely, 2^102432005444 is an apocalyptic number.

It is an amenable number.

102432005444 is a deficient number, since it is larger than the sum of its proper divisors (83200285204).

102432005444 is a wasteful number, since it uses less digits than its factorization.

102432005444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920935 (or 7920933 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 102432005444 its reverse (444500234201), we get a palindrome (546932239645).

The spelling of 102432005444 in words is "one hundred two billion, four hundred thirty-two million, five thousand, four hundred forty-four".