25364358642 has 32 divisors (see below), whose sum is σ = 58507574400. Its totient is φ = 7180472448.

The previous prime is 25364358641. The next prime is 25364358671. The reversal of 25364358642 is 24685346352.

It is a junction number, because it is equal to n+sod(n) for n = 25364358591 and 25364358600.

It is not an unprimeable number, because it can be changed into a prime (25364358641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2765667 + ... + 2774822.

It is an arithmetic number, because the mean of its divisors is an integer number (1828361700).

Almost surely, 2^25364358642 is an apocalyptic number.

25364358642 is an abundant number, since it is smaller than the sum of its proper divisors (33143215758).

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

25364358642 is a wasteful number, since it uses less digits than its factorization.

25364358642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540610.

The product of its digits is 4147200, while the sum is 48.

The spelling of 25364358642 in words is "twenty-five billion, three hundred sixty-four million, three hundred fifty-eight thousand, six hundred forty-two".