9475952640 has 416 divisors, whose sum is σ = 37819616256. Its totient is φ = 1968046080.

The previous prime is 9475952587. The next prime is 9475952659. The reversal of 9475952640 is 462595749.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4729879 + ... + 4731881.

Almost surely, 2^9475952640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9475952640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18909808128).

9475952640 is an abundant number, since it is smaller than the sum of its proper divisors (28343663616).

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

9475952640 is a wasteful number, since it uses less digits than its factorization.

9475952640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2053 (or 2031 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The square root of 9475952640 is about 97344.5049296569. The cubic root of 9475952640 is about 2116.1232580552.

The spelling of 9475952640 in words is "nine billion, four hundred seventy-five million, nine hundred fifty-two thousand, six hundred forty".