2479386240 has 128 divisors (see below), whose sum is σ = 8781220800. Its totient is φ = 661165056.

The previous prime is 2479386227. The next prime is 2479386241. The reversal of 2479386240 is 426839742.

2479386240 is a `hidden beast` number, since 24 + 7 + 9 + 386 + 240 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×2479386240² = 12294712254202675200, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (2479386241) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 54462 + ... + 89021.

Almost surely, 2^2479386240 is an apocalyptic number.

2479386240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2479386240 is an abundant number, since it is smaller than the sum of its proper divisors (6301834560).

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

2479386240 is a wasteful number, since it uses less digits than its factorization.

2479386240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143511 (or 143493 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 2479386240 is about 49793.4357119490. The cubic root of 2479386240 is about 1353.4682181449.

The spelling of 2479386240 in words is "two billion, four hundred seventy-nine million, three hundred eighty-six thousand, two hundred forty".