25007425240 has 64 divisors (see below), whose sum is σ = 65079624960. Its totient is φ = 8470665600.

The previous prime is 25007425231. The next prime is 25007425249. The reversal of 25007425240 is 4252470052.

It is an interprime number because it is at equal distance from previous prime (25007425231) and next prime (25007425249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25007425249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514786 + ... + 561265.

It is an arithmetic number, because the mean of its divisors is an integer number (1016869140).

Almost surely, 2^25007425240 is an apocalyptic number.

25007425240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25007425240 is an abundant number, since it is smaller than the sum of its proper divisors (40072199720).

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

25007425240 is a wasteful number, since it uses less digits than its factorization.

25007425240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076152 (or 1076148 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 31.

Adding to 25007425240 its reverse (4252470052), we get a palindrome (29259895292).

The spelling of 25007425240 in words is "twenty-five billion, seven million, four hundred twenty-five thousand, two hundred forty".