25038368434 has 64 divisors (see below), whose sum is σ = 41568785280. Its totient is φ = 11262504960.

The previous prime is 25038368429. The next prime is 25038368461. The reversal of 25038368434 is 43486383052.

It is a super-2 number, since 2×25038368434² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 24237982 + ... + 24239014.

It is an arithmetic number, because the mean of its divisors is an integer number (649512270).

Almost surely, 2^25038368434 is an apocalyptic number.

25038368434 is a deficient number, since it is larger than the sum of its proper divisors (16530416846).

25038368434 is a wasteful number, since it uses less digits than its factorization.

25038368434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435.

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 25038368434 in words is "twenty-five billion, thirty-eight million, three hundred sixty-eight thousand, four hundred thirty-four".