32261013642 has 64 divisors (see below), whose sum is σ = 75903246720. Its totient is φ = 9012019200.

The previous prime is 32261013637. The next prime is 32261013643. The reversal of 32261013642 is 24631016223.

It is not an unprimeable number, because it can be changed into a prime (32261013643) 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, 628234 + ... + 677642.

It is an arithmetic number, because the mean of its divisors is an integer number (1185988230).

Almost surely, 2^32261013642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32261013642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37951623360).

32261013642 is an abundant number, since it is smaller than the sum of its proper divisors (43642233078).

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

32261013642 is a wasteful number, since it uses less digits than its factorization.

32261013642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50199.

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 32261013642 its reverse (24631016223), we get a palindrome (56892029865).

The spelling of 32261013642 in words is "thirty-two billion, two hundred sixty-one million, thirteen thousand, six hundred forty-two".