25467247140 has 48 divisors (see below), whose sum is σ = 71745793728. Its totient is φ = 6749599104.

The previous prime is 25467247139. The next prime is 25467247153. The reversal of 25467247140 is 4174276452.

It is a junction number, because it is equal to n+sod(n) for n = 25467247092 and 25467247101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292227 + ... + 1311786.

It is an arithmetic number, because the mean of its divisors is an integer number (1494704036).

Almost surely, 2^25467247140 is an apocalyptic number.

25467247140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25467247140 is an abundant number, since it is smaller than the sum of its proper divisors (46278546588).

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

25467247140 is a wasteful number, since it uses less digits than its factorization.

25467247140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604188 (or 2604186 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 42.

It can be divided in two parts, 25 and 467247140, that added together give a triangular number (467247165 = T₃₀₅₆₉).

The spelling of 25467247140 in words is "twenty-five billion, four hundred sixty-seven million, two hundred forty-seven thousand, one hundred forty".