9457684140 has 24 divisors (see below), whose sum is σ = 26481515760. Its totient is φ = 2522049088.

The previous prime is 9457684139. The next prime is 9457684147. The reversal of 9457684140 is 414867549.

It is a self number, because there is not a number n which added to its sum of digits gives 9457684140.

It is not an unprimeable number, because it can be changed into a prime (9457684147) 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, 78813975 + ... + 78814094.

It is an arithmetic number, because the mean of its divisors is an integer number (1103396490).

Almost surely, 2^9457684140 is an apocalyptic number.

It is an amenable number.

9457684140 is an abundant number, since it is smaller than the sum of its proper divisors (17023831620).

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

9457684140 is a wasteful number, since it uses less digits than its factorization.

9457684140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157628081 (or 157628079 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 9457684140 is about 97250.6253964467. The cubic root of 9457684140 is about 2114.7625059574.

The spelling of 9457684140 in words is "nine billion, four hundred fifty-seven million, six hundred eighty-four thousand, one hundred forty".