8379534240 has 768 divisors, whose sum is σ = 37135687680. Its totient is φ = 1735603200.

The previous prime is 8379534221. The next prime is 8379534259. The reversal of 8379534240 is 424359738.

8379534240 is a `hidden beast` number, since 8 + 3 + 79 + 534 + 2 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (8379534221) and next prime (8379534259).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 26943685 + ... + 26943995.

It is an arithmetic number, because the mean of its divisors is an integer number (48353760).

Almost surely, 2^8379534240 is an apocalyptic number.

8379534240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8379534240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18567843840).

8379534240 is an abundant number, since it is smaller than the sum of its proper divisors (28756153440).

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

8379534240 is a wasteful number, since it uses less digits than its factorization.

8379534240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 339 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 8379534240 is about 91539.7959359753. The cubic root of 8379534240 is about 2031.1404723396.

The spelling of 8379534240 in words is "eight billion, three hundred seventy-nine million, five hundred thirty-four thousand, two hundred forty".