25003540842 has 32 divisors (see below), whose sum is σ = 58480046592. Its totient is φ = 6977731824.

The previous prime is 25003540841. The next prime is 25003540853. The reversal of 25003540842 is 24804530052.

It is not an unprimeable number, because it can be changed into a prime (25003540841) 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 15 ways as a sum of consecutive naturals, for example, 6920548 + ... + 6924159.

It is an arithmetic number, because the mean of its divisors is an integer number (1827501456).

Almost surely, 2^25003540842 is an apocalyptic number.

25003540842 is an abundant number, since it is smaller than the sum of its proper divisors (33476505750).

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

25003540842 is a wasteful number, since it uses less digits than its factorization.

25003540842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13844762.

The product of its (nonzero) digits is 38400, while the sum is 33.

The spelling of 25003540842 in words is "twenty-five billion, three million, five hundred forty thousand, eight hundred forty-two".