42655140372 has 48 divisors (see below), whose sum is σ = 112826020160. Its totient is φ = 12433886208.

The previous prime is 42655140331. The next prime is 42655140377. The reversal of 42655140372 is 27304155624.

42655140372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42655140372² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 42655140372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42655140377) 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, 7192573 + ... + 7198500.

Almost surely, 2^42655140372 is an apocalyptic number.

It is an amenable number.

42655140372 is an abundant number, since it is smaller than the sum of its proper divisors (70170879788).

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

42655140372 is a wasteful number, since it uses less digits than its factorization.

42655140372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14391112 (or 14391110 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

Adding to 42655140372 its reverse (27304155624), we get a palindrome (69959295996).

The spelling of 42655140372 in words is "forty-two billion, six hundred fifty-five million, one hundred forty thousand, three hundred seventy-two".