25413241890 has 32 divisors (see below), whose sum is σ = 62142572736. Its totient is φ = 6648998720.

The previous prime is 25413241771. The next prime is 25413241891. The reversal of 25413241890 is 9814231452.

It is not an unprimeable number, because it can be changed into a prime (25413241891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7989996 + ... + 7993175.

It is an arithmetic number, because the mean of its divisors is an integer number (1941955398).

Almost surely, 2^25413241890 is an apocalyptic number.

25413241890 is an abundant number, since it is smaller than the sum of its proper divisors (36729330846).

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

25413241890 is a wasteful number, since it uses less digits than its factorization.

25413241890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15983234.

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 25413241890 in words is "twenty-five billion, four hundred thirteen million, two hundred forty-one thousand, eight hundred ninety".