42144341242140 has 72 divisors (see below), whose sum is σ = 127843633514688. Its totient is φ = 11237981247360.

The previous prime is 42144341242121. The next prime is 42144341242151. The reversal of 42144341242140 is 4124214344124.

42144341242140 is a `hidden beast` number, since 4 + 2 + 1 + 4 + 434 + 1 + 2 + 4 + 214 + 0 = 666.

It is a super-2 number, since 2×42144341242140² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 42144341242095 and 42144341242104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1322116 + ... + 9275595.

Almost surely, 2^{42144341242140} is an apocalyptic number.

It is an amenable number.

42144341242140 is an abundant number, since it is smaller than the sum of its proper divisors (85699292272548).

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

42144341242140 is a wasteful number, since it uses less digits than its factorization.

42144341242140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10619819 (or 10619814 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 36.

Adding to 42144341242140 its reverse (4124214344124), we get a palindrome (46268555586264).

The spelling of 42144341242140 in words is "forty-two trillion, one hundred forty-four billion, three hundred forty-one million, two hundred forty-two thousand, one hundred forty".