25012530040 has 16 divisors (see below), whose sum is σ = 56278192680. Its totient is φ = 10005012000.

The previous prime is 25012530029. The next prime is 25012530047. The reversal of 25012530040 is 4003521052.

It is a junction number, because it is equal to n+sod(n) for n = 25012529993 and 25012530020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25012530047) 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, 312656586 + ... + 312656665.

Almost surely, 2^25012530040 is an apocalyptic number.

25012530040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25012530040 is an abundant number, since it is smaller than the sum of its proper divisors (31265662640).

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

25012530040 is a wasteful number, since it uses less digits than its factorization.

25012530040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625313262 (or 625313258 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The spelling of 25012530040 in words is "twenty-five billion, twelve million, five hundred thirty thousand, forty".