2495424640 has 32 divisors (see below), whose sum is σ = 5965626060. Its totient is φ = 998169600.

The previous prime is 2495424623. The next prime is 2495424643. The reversal of 2495424640 is 464245942.

It can be written as a sum of positive squares in 2 ways, for example, as 2484823104 + 10601536 = 49848^2 + 3256^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 2495424593 and 2495424602.

It is not an unprimeable number, because it can be changed into a prime (2495424643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1948911 + ... + 1950190.

Almost surely, 2^2495424640 is an apocalyptic number.

2495424640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2495424640 is an abundant number, since it is smaller than the sum of its proper divisors (3470201420).

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

2495424640 is an equidigital number, since it uses as much as digits as its factorization.

2495424640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899120 (or 3899108 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 2495424640 is about 49954.2254469029. The cubic root of 2495424640 is about 1356.3803401673.

It can be divided in two parts, 24954 and 24640, that added together give a palindrome (49594).

The spelling of 2495424640 in words is "two billion, four hundred ninety-five million, four hundred twenty-four thousand, six hundred forty".