2025513620440 has 32 divisors (see below), whose sum is σ = 4557451333680. Its totient is φ = 810197325952.

The previous prime is 2025513620381. The next prime is 2025513620447. The reversal of 2025513620440 is 440263155202.

It is a junction number, because it is equal to n+sod(n) for n = 2025513620396 and 2025513620405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2025513620447) 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, 5270502 + ... + 5641738.

Almost surely, 2^{2025513620440} is an apocalyptic number.

2025513620440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2025513620440 is an abundant number, since it is smaller than the sum of its proper divisors (2531937713240).

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

2025513620440 is a wasteful number, since it uses less digits than its factorization.

2025513620440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507651 (or 507647 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 2025513620440 its reverse (440263155202), we get a palindrome (2465776775642).

The spelling of 2025513620440 in words is "two trillion, twenty-five billion, five hundred thirteen million, six hundred twenty thousand, four hundred forty".