4140661273578 has 12 divisors (see below), whose sum is σ = 8971432759458. Its totient is φ = 1380220424520.

The previous prime is 4140661273559. The next prime is 4140661273579. The reversal of 4140661273578 is 8753721660414.

4140661273578 is a `hidden beast` number, since 4 + 1 + 4 + 0 + 6 + 61 + 2 + 7 + 3 + 578 = 666.

4140661273578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3321189142569 + 819472131009 = 1822413^2 + 905247^2 .

It is not an unprimeable number, because it can be changed into a prime (4140661273579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115018368693 + ... + 115018368728.

Almost surely, 2^{4140661273578} is an apocalyptic number.

4140661273578 is an abundant number, since it is smaller than the sum of its proper divisors (4830771485880).

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

4140661273578 is a wasteful number, since it uses less digits than its factorization.

4140661273578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230036737429 (or 230036737426 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 4140661273578 in words is "four trillion, one hundred forty billion, six hundred sixty-one million, two hundred seventy-three thousand, five hundred seventy-eight".