9520768440 has 96 divisors (see below), whose sum is σ = 32009515200. Its totient is φ = 2451321600.

The previous prime is 9520768423. The next prime is 9520768447. The reversal of 9520768440 is 448670259.

It is a happy number.

9520768440 is a `hidden beast` number, since 9 + 520 + 7 + 6 + 84 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9520768447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 445536 + ... + 466415.

It is an arithmetic number, because the mean of its divisors is an integer number (333432450).

Almost surely, 2^9520768440 is an apocalyptic number.

9520768440 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9520768440 is an abundant number, since it is smaller than the sum of its proper divisors (22488746760).

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

9520768440 is a wasteful number, since it uses less digits than its factorization.

9520768440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911997 (or 911990 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 9520768440 is about 97574.4251328185. The cubic root of 9520768440 is about 2119.4540275555.

The spelling of 9520768440 in words is "nine billion, five hundred twenty million, seven hundred sixty-eight thousand, four hundred forty".