9464020992 has 256 divisors, whose sum is σ = 29569392000. Its totient is φ = 2983329792.

The previous prime is 9464020991. The next prime is 9464021027. The reversal of 9464020992 is 2990204649.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (256).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9464020991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16809703 + ... + 16810265.

Almost surely, 2^9464020992 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 9464020992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14784696000).

9464020992 is an abundant number, since it is smaller than the sum of its proper divisors (20105371008).

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

9464020992 is an equidigital number, since it uses as much as digits as its factorization.

9464020992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 9464020992 is about 97283.1999473702. The cubic root of 9464020992 is about 2115.2347126470.

The spelling of 9464020992 in words is "nine billion, four hundred sixty-four million, twenty thousand, nine hundred ninety-two".