25048649020 has 24 divisors (see below), whose sum is σ = 52682745024. Its totient is φ = 10004110656.

The previous prime is 25048649009. The next prime is 25048649033. The reversal of 25048649020 is 2094684052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945924 + ... + 972043.

It is an arithmetic number, because the mean of its divisors is an integer number (2195114376).

Almost surely, 2^25048649020 is an apocalyptic number.

25048649020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25048649020 is an abundant number, since it is smaller than the sum of its proper divisors (27634096004).

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

25048649020 is a wasteful number, since it uses less digits than its factorization.

25048649020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1918629 (or 1918627 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 25048649020 in words is "twenty-five billion, forty-eight million, six hundred forty-nine thousand, twenty".