25405042223002 has 64 divisors (see below), whose sum is σ = 43308494208000. Its totient is φ = 11088531007488.

The previous prime is 25405042222969. The next prime is 25405042223009. The reversal of 25405042223002 is 20032224050452.

It is not an unprimeable number, because it can be changed into a prime (25405042223009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 879691999 + ... + 879720877.

It is an arithmetic number, because the mean of its divisors is an integer number (676695222000).

Almost surely, 2^{25405042223002} is an apocalyptic number.

25405042223002 is a deficient number, since it is larger than the sum of its proper divisors (17903451984998).

25405042223002 is a wasteful number, since it uses less digits than its factorization.

25405042223002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45535.

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 25405042223002 its reverse (20032224050452), we get a palindrome (45437266273454).

The spelling of 25405042223002 in words is "twenty-five trillion, four hundred five billion, forty-two million, two hundred twenty-three thousand, two".