8445429500 has 24 divisors (see below), whose sum is σ = 18444819120. Its totient is φ = 3378171600.

The previous prime is 8445429493. The next prime is 8445429511. The reversal of 8445429500 is 59245448.

It is a congruent number.

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, 8444930 + ... + 8445929.

It is an arithmetic number, because the mean of its divisors is an integer number (768534130).

Almost surely, 2^8445429500 is an apocalyptic number.

It is an amenable number.

8445429500 is an abundant number, since it is smaller than the sum of its proper divisors (9999389620).

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

8445429500 is a wasteful number, since it uses less digits than its factorization.

8445429500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16890878 (or 16890866 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The square root of 8445429500 is about 91899.0179490510. The cubic root of 8445429500 is about 2036.4507601593.

The spelling of 8445429500 in words is "eight billion, four hundred forty-five million, four hundred twenty-nine thousand, five hundred".