25034315240 has 32 divisors (see below), whose sum is σ = 61447865760. Its totient is φ = 9103387200.

The previous prime is 25034315239. The next prime is 25034315281. The reversal of 25034315240 is 4251343052.

It is a happy number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28447646 + ... + 28448525.

It is an arithmetic number, because the mean of its divisors is an integer number (1920245805).

Almost surely, 2^25034315240 is an apocalyptic number.

25034315240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25034315240 is an abundant number, since it is smaller than the sum of its proper divisors (36413550520).

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

25034315240 is a wasteful number, since it uses less digits than its factorization.

25034315240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56896193 (or 56896189 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 25034315240 its reverse (4251343052), we get a palindrome (29285658292).

The spelling of 25034315240 in words is "twenty-five billion, thirty-four million, three hundred fifteen thousand, two hundred forty".