2025627640 has 32 divisors (see below), whose sum is σ = 4581294480. Its totient is φ = 806049792.

The previous prime is 2025627599. The next prime is 2025627647. The reversal of 2025627640 is 467265202.

It is a junction number, because it is equal to n+sod(n) for n = 2025627596 and 2025627605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025627647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123474 + ... + 138913.

Almost surely, 2^2025627640 is an apocalyptic number.

2025627640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2025627640 is an abundant number, since it is smaller than the sum of its proper divisors (2555666840).

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

2025627640 is a wasteful number, since it uses less digits than its factorization.

2025627640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262591 (or 262587 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 2025627640 is about 45006.9732374884. The cubic root of 2025627640 is about 1265.2796936058.

The spelling of 2025627640 in words is "two billion, twenty-five million, six hundred twenty-seven thousand, six hundred forty".