2478625040 has 40 divisors (see below), whose sum is σ = 5816681280. Its totient is φ = 982180736.

The previous prime is 2478625033. The next prime is 2478625067. The reversal of 2478625040 is 405268742.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×2478625040² = 12287164177830003200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2478624985 and 2478625003.

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, 136220 + ... + 153339.

It is an arithmetic number, because the mean of its divisors is an integer number (145417032).

Almost surely, 2^2478625040 is an apocalyptic number.

2478625040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2478625040 is an abundant number, since it is smaller than the sum of its proper divisors (3338056240).

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

2478625040 is a wasteful number, since it uses less digits than its factorization.

2478625040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289679 (or 289673 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

The square root of 2478625040 is about 49785.7915473883. The cubic root of 2478625040 is about 1353.3296938812.

The spelling of 2478625040 in words is "two billion, four hundred seventy-eight million, six hundred twenty-five thousand, forty".