32551420242 has 48 divisors (see below), whose sum is σ = 75768721056. Its totient is φ = 9283824000.

The previous prime is 32551420207. The next prime is 32551420249. The reversal of 32551420242 is 24202415523.

It is not an unprimeable number, because it can be changed into a prime (32551420249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1306384 + ... + 1331067.

It is an arithmetic number, because the mean of its divisors is an integer number (1578515022).

Almost surely, 2^32551420242 is an apocalyptic number.

32551420242 is an abundant number, since it is smaller than the sum of its proper divisors (43217300814).

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

32551420242 is a wasteful number, since it uses less digits than its factorization.

32551420242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637495 (or 2637484 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 32551420242 its reverse (24202415523), we get a palindrome (56753835765).

The spelling of 32551420242 in words is "thirty-two billion, five hundred fifty-one million, four hundred twenty thousand, two hundred forty-two".