9125207204640 has 96 divisors (see below), whose sum is σ = 28873301700096. Its totient is φ = 2422476503040.

The previous prime is 9125207204609. The next prime is 9125207204669. The reversal of 9125207204640 is 464027025219.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×9125207204640² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9125207204592 and 9125207204601.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42518181 + ... + 42732260.

It is an arithmetic number, because the mean of its divisors is an integer number (300763559376).

Almost surely, 2^{9125207204640} is an apocalyptic number.

It is an amenable number.

9125207204640 is an abundant number, since it is smaller than the sum of its proper divisors (19748094495456).

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

9125207204640 is a wasteful number, since it uses less digits than its factorization.

9125207204640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85250682 (or 85250674 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 9125207204640 in words is "nine trillion, one hundred twenty-five billion, two hundred seven million, two hundred four thousand, six hundred forty".