9640448572 has 48 divisors (see below), whose sum is σ = 17889951744. Its totient is φ = 4538160000.

The previous prime is 9640448557. The next prime is 9640448591. The reversal of 9640448572 is 2758440469.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1944697 + ... + 1949647.

It is an arithmetic number, because the mean of its divisors is an integer number (372707328).

Almost surely, 2^9640448572 is an apocalyptic number.

It is an amenable number.

9640448572 is a deficient number, since it is larger than the sum of its proper divisors (8249503172).

9640448572 is a wasteful number, since it uses less digits than its factorization.

9640448572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5410 (or 5408 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The square root of 9640448572 is about 98185.7859977706. The cubic root of 9640448572 is about 2128.2978879791.

The spelling of 9640448572 in words is "nine billion, six hundred forty million, four hundred forty-eight thousand, five hundred seventy-two".