9450189179540 has 48 divisors (see below), whose sum is σ = 19960955996688. Its totient is φ = 3758066340864.

The previous prime is 9450189179503. The next prime is 9450189179609. The reversal of 9450189179540 is 459719810549.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1571984348944 + 7878204830596 = 1253788^2 + 2806814^2 .

It is a super-2 number, since 2×9450189179540² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 114322064 + ... + 114404696.

It is an arithmetic number, because the mean of its divisors is an integer number (415853249931).

Almost surely, 2^{9450189179540} is an apocalyptic number.

It is an amenable number.

9450189179540 is an abundant number, since it is smaller than the sum of its proper divisors (10510766817148).

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

9450189179540 is a wasteful number, since it uses less digits than its factorization.

9450189179540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115868 (or 115866 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 62.

The spelling of 9450189179540 in words is "nine trillion, four hundred fifty billion, one hundred eighty-nine million, one hundred seventy-nine thousand, five hundred forty".