25000262742 has 64 divisors (see below), whose sum is σ = 61569091584. Its totient is φ = 6590263680.

The previous prime is 25000262731. The next prime is 25000262743. The reversal of 25000262742 is 24726200052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25000262743) 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 31 ways as a sum of consecutive naturals, for example, 1238692 + ... + 1258712.

It is an arithmetic number, because the mean of its divisors is an integer number (962017056).

Almost surely, 2^25000262742 is an apocalyptic number.

25000262742 is an abundant number, since it is smaller than the sum of its proper divisors (36568828842).

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

25000262742 is a wasteful number, since it uses less digits than its factorization.

25000262742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22333.

The product of its (nonzero) digits is 13440, while the sum is 30.

Adding to 25000262742 its reverse (24726200052), we get a palindrome (49726462794).

The spelling of 25000262742 in words is "twenty-five billion, two hundred sixty-two thousand, seven hundred forty-two".