9438009515232 has 48 divisors (see below), whose sum is σ = 24774981275520. Its totient is φ = 3145976975232.

The previous prime is 9438009515227. The next prime is 9438009515273. The reversal of 9438009515232 is 2325159008349.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13699269 + ... + 14371707.

It is an arithmetic number, because the mean of its divisors is an integer number (516145443240).

Almost surely, 2^{9438009515232} is an apocalyptic number.

It is an amenable number.

9438009515232 is an abundant number, since it is smaller than the sum of its proper divisors (15336971760288).

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

9438009515232 is a wasteful number, since it uses less digits than its factorization.

9438009515232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818655 (or 818647 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 9438009515232 in words is "nine trillion, four hundred thirty-eight billion, nine million, five hundred fifteen thousand, two hundred thirty-two".