3179979840 has 224 divisors, whose sum is σ = 10680923520. Its totient is φ = 799358976.

The previous prime is 3179979827. The next prime is 3179979871. The reversal of 3179979840 is 489799713.

It is a super-2 number, since 2×3179979840² = 20224543565612851200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5708842 + ... + 5709398.

Almost surely, 2^3179979840 is an apocalyptic number.

3179979840 is a gapful number since it is divisible by the number (30) 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 3179979840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5340461760).

3179979840 is an abundant number, since it is smaller than the sum of its proper divisors (7500943680).

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

3179979840 is a wasteful number, since it uses less digits than its factorization.

3179979840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 899 counting only the distinct ones).

The product of its (nonzero) digits is 3429216, while the sum is 57.

The square root of 3179979840 is about 56391.3099688241. The cubic root of 3179979840 is about 1470.5330474637.

The spelling of 3179979840 in words is "three billion, one hundred seventy-nine million, nine hundred seventy-nine thousand, eight hundred forty".