2479393980 has 144 divisors (see below), whose sum is σ = 9047700480. Its totient is φ = 536886144.

The previous prime is 2479393967. The next prime is 2479394003. The reversal of 2479393980 is 893939742.

2479393980 is a `hidden beast` number, since 2 + 479 + 3 + 93 + 9 + 80 = 666.

It is a super-2 number, since 2×2479393980² = 12294789016120480800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27844 + ... + 75723.

Almost surely, 2^2479393980 is an apocalyptic number.

2479393980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2479393980 is an abundant number, since it is smaller than the sum of its proper divisors (6568306500).

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

2479393980 is a wasteful number, since it uses less digits than its factorization.

2479393980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103608 (or 103603 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 2479393980 is about 49793.5134329764. The cubic root of 2479393980 is about 1353.4696265355.

The spelling of 2479393980 in words is "two billion, four hundred seventy-nine million, three hundred ninety-three thousand, nine hundred eighty".