2025543940 has 24 divisors (see below), whose sum is σ = 4861305792. Its totient is φ = 694472160.

The previous prime is 2025543929. The next prime is 2025543973. The reversal of 2025543940 is 493455202.

It is a junction number, because it is equal to n+sod(n) for n = 2025543896 and 2025543905.

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, 7233946 + ... + 7234225.

It is an arithmetic number, because the mean of its divisors is an integer number (202554408).

Almost surely, 2^2025543940 is an apocalyptic number.

2025543940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2025543940 is an abundant number, since it is smaller than the sum of its proper divisors (2835761852).

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

2025543940 is a wasteful number, since it uses less digits than its factorization.

2025543940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14468187 (or 14468185 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2025543940 is about 45006.0433719739. The cubic root of 2025543940 is about 1265.2622660248.

The spelling of 2025543940 in words is "two billion, twenty-five million, five hundred forty-three thousand, nine hundred forty".