42655340154 has 24 divisors (see below), whose sum is σ = 99238955328. Its totient is φ = 12187239960.

The previous prime is 42655340141. The next prime is 42655340159. The reversal of 42655340154 is 45104355624.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42655340159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72542802 + ... + 72543389.

It is an arithmetic number, because the mean of its divisors is an integer number (4134956472).

Almost surely, 2^42655340154 is an apocalyptic number.

42655340154 is an abundant number, since it is smaller than the sum of its proper divisors (56583615174).

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

42655340154 is a wasteful number, since it uses less digits than its factorization.

42655340154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145086210 (or 145086203 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 42655340154 its reverse (45104355624), we get a palindrome (87759695778).

The spelling of 42655340154 in words is "forty-two billion, six hundred fifty-five million, three hundred forty thousand, one hundred fifty-four".