9261008144 has 40 divisors (see below), whose sum is σ = 18743121792. Its totient is φ = 4424499200.

The previous prime is 9261008143. The next prime is 9261008173. The reversal of 9261008144 is 4418001629.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9261008143) 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, 348944 + ... + 374544.

Almost surely, 2^9261008144 is an apocalyptic number.

It is an amenable number.

9261008144 is an abundant number, since it is smaller than the sum of its proper divisors (9482113648).

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

9261008144 is a wasteful number, since it uses less digits than its factorization.

9261008144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26615 (or 26609 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 9261008144 is about 96234.1319075514. The cubic root of 9261008144 is about 2100.0006155705. Note that the first 3 decimals are identical.

The spelling of 9261008144 in words is "nine billion, two hundred sixty-one million, eight thousand, one hundred forty-four".