32151140642 has 16 divisors (see below), whose sum is σ = 49425919200. Its totient is φ = 15676198560.

The previous prime is 32151140627. The next prime is 32151140647. The reversal of 32151140642 is 24604115123.

It is not an unprimeable number, because it can be changed into a prime (32151140647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88709 + ... + 268647.

It is an arithmetic number, because the mean of its divisors is an integer number (3089119950).

Almost surely, 2^32151140642 is an apocalyptic number.

32151140642 is a deficient number, since it is larger than the sum of its proper divisors (17274778558).

32151140642 is a wasteful number, since it uses less digits than its factorization.

32151140642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182161.

The product of its (nonzero) digits is 5760, while the sum is 29.

Adding to 32151140642 its reverse (24604115123), we get a palindrome (56755255765).

The spelling of 32151140642 in words is "thirty-two billion, one hundred fifty-one million, one hundred forty thousand, six hundred forty-two".