9164452440 has 128 divisors (see below), whose sum is σ = 32299948800. Its totient is φ = 2050782720.

The previous prime is 9164452397. The next prime is 9164452459. The reversal of 9164452440 is 442544619.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 249870 + ... + 284189.

It is an arithmetic number, because the mean of its divisors is an integer number (252343350).

Almost surely, 2^9164452440 is an apocalyptic number.

It is an amenable number.

9164452440 is an abundant number, since it is smaller than the sum of its proper divisors (23135496360).

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

9164452440 is a wasteful number, since it uses less digits than its factorization.

9164452440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534097 (or 534093 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 9164452440 is about 95731.1466556209. The cubic root of 9164452440 is about 2092.6768688399.

The spelling of 9164452440 in words is "nine billion, one hundred sixty-four million, four hundred fifty-two thousand, four hundred forty".