25202032242 has 32 divisors (see below), whose sum is σ = 52490488320. Its totient is φ = 8057736960.

The previous prime is 25202032201. The next prime is 25202032249. The reversal of 25202032242 is 24223020252.

It is not an unprimeable number, because it can be changed into a prime (25202032249) 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, 578517 + ... + 620552.

It is an arithmetic number, because the mean of its divisors is an integer number (1640327760).

Almost surely, 2^25202032242 is an apocalyptic number.

25202032242 is an abundant number, since it is smaller than the sum of its proper divisors (27288456078).

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

25202032242 is a wasteful number, since it uses less digits than its factorization.

25202032242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199218.

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 25202032242 its reverse (24223020252), we get a palindrome (49425052494).

The spelling of 25202032242 in words is "twenty-five billion, two hundred two million, thirty-two thousand, two hundred forty-two".