9572920540 has 24 divisors (see below), whose sum is σ = 20110662432. Its totient is φ = 3827734080.

The previous prime is 9572920519. The next prime is 9572920549. The reversal of 9572920540 is 450292759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9572920549) 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, 34059 + ... + 142498.

It is an arithmetic number, because the mean of its divisors is an integer number (837944268).

Almost surely, 2^9572920540 is an apocalyptic number.

It is an amenable number.

9572920540 is an abundant number, since it is smaller than the sum of its proper divisors (10537741892).

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

9572920540 is a wasteful number, since it uses less digits than its factorization.

9572920540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179277 (or 179275 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 9572920540 is about 97841.3028326994. The cubic root of 9572920540 is about 2123.3169078236.

The spelling of 9572920540 in words is "nine billion, five hundred seventy-two million, nine hundred twenty thousand, five hundred forty".