2500154040 has 32 divisors (see below), whose sum is σ = 7500462480. Its totient is φ = 666707712.

The previous prime is 2500154021. The next prime is 2500154077. The reversal of 2500154040 is 404510052.

It is a junction number, because it is equal to n+sod(n) for n = 2500153998 and 2500154016.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 10417189 + ... + 10417428.

Almost surely, 2^2500154040 is an apocalyptic number.

2500154040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2500154040 is an abundant number, since it is smaller than the sum of its proper divisors (5000308440).

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

2500154040 is a wasteful number, since it uses less digits than its factorization.

2500154040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20834631 (or 20834627 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2500154040 is about 50001.5403762724. The cubic root of 2500154040 is about 1357.2366829843.

Adding to 2500154040 its reverse (404510052), we get a palindrome (2904664092).

The spelling of 2500154040 in words is "two billion, five hundred million, one hundred fifty-four thousand, forty".