9130578940 has 24 divisors (see below), whose sum is σ = 21913389792. Its totient is φ = 3130484160.

The previous prime is 9130578937. The next prime is 9130579019. The reversal of 9130578940 is 498750319.

It is a happy number.

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, 32609071 + ... + 32609350.

It is an arithmetic number, because the mean of its divisors is an integer number (913057908).

Almost surely, 2^9130578940 is an apocalyptic number.

It is an amenable number.

9130578940 is an abundant number, since it is smaller than the sum of its proper divisors (12782810852).

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

9130578940 is a wasteful number, since it uses less digits than its factorization.

9130578940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65218437 (or 65218435 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 46.

The square root of 9130578940 is about 95554.0629172826. The cubic root of 9130578940 is about 2090.0953796051.

It can be divided in two parts, 9130 and 578940, that added together give a triangular number (588070 = T₁₀₈₄).

The spelling of 9130578940 in words is "nine billion, one hundred thirty million, five hundred seventy-eight thousand, nine hundred forty".