8240379140 has 24 divisors (see below), whose sum is σ = 19776910272. Its totient is φ = 2825272800.

The previous prime is 8240379139. The next prime is 8240379151. The reversal of 8240379140 is 419730428.

It is a junction number, because it is equal to n+sod(n) for n = 8240379094 and 8240379103.

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, 29429786 + ... + 29430065.

It is an arithmetic number, because the mean of its divisors is an integer number (824037928).

Almost surely, 2^8240379140 is an apocalyptic number.

It is an amenable number.

8240379140 is an abundant number, since it is smaller than the sum of its proper divisors (11536531132).

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

8240379140 is a wasteful number, since it uses less digits than its factorization.

8240379140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58859867 (or 58859865 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 8240379140 is about 90776.5340823277. The cubic root of 8240379140 is about 2019.8342461123.

The spelling of 8240379140 in words is "eight billion, two hundred forty million, three hundred seventy-nine thousand, one hundred forty".