42240022012154 has 8 divisors (see below), whose sum is σ = 63360071474868. Its totient is φ = 21119998187200.

The previous prime is 42240022012129. The next prime is 42240022012183. The reversal of 42240022012154 is 45121022004224.

It can be written as a sum of positive squares in 2 ways, for example, as 42219780405625 + 20241606529 = 6497675^2 + 142273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555247 + ... + 9321954.

Almost surely, 2^{42240022012154} is an apocalyptic number.

42240022012154 is a deficient number, since it is larger than the sum of its proper divisors (21120049462714).

42240022012154 is a wasteful number, since it uses less digits than its factorization.

42240022012154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12818880.

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 42240022012154 its reverse (45121022004224), we get a palindrome (87361044016378).

The spelling of 42240022012154 in words is "forty-two trillion, two hundred forty billion, twenty-two million, twelve thousand, one hundred fifty-four".