25124054340 has 96 divisors (see below), whose sum is σ = 87705805824. Its totient is φ = 5220581760.

The previous prime is 25124054339. The next prime is 25124054341. The reversal of 25124054340 is 4345042152.

It is an interprime number because it is at equal distance from previous prime (25124054339) and next prime (25124054341).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 25124054298 and 25124054307.

It is not an unprimeable number, because it can be changed into a prime (25124054341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2714434 + ... + 2723673.

It is an arithmetic number, because the mean of its divisors is an integer number (913602144).

Almost surely, 2^25124054340 is an apocalyptic number.

25124054340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25124054340 is an abundant number, since it is smaller than the sum of its proper divisors (62581751484).

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

25124054340 is a wasteful number, since it uses less digits than its factorization.

25124054340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438137 (or 5438135 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 25124054340 its reverse (4345042152), we get a palindrome (29469096492).

The spelling of 25124054340 in words is "twenty-five billion, one hundred twenty-four million, fifty-four thousand, three hundred forty".