4142557566 has 48 divisors (see below), whose sum is σ = 10637687424. Its totient is φ = 1183586904.

The previous prime is 4142557547. The next prime is 4142557583. The reversal of 4142557566 is 6657552414.

4142557566 is a `hidden beast` number, since 4 + 1 + 42 + 557 + 56 + 6 = 666.

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, 605440 + ... + 612243.

It is an arithmetic number, because the mean of its divisors is an integer number (221618488).

Almost surely, 2^4142557566 is an apocalyptic number.

4142557566 is an abundant number, since it is smaller than the sum of its proper divisors (6495129858).

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

4142557566 is a wasteful number, since it uses less digits than its factorization.

4142557566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217707 (or 1217695 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The square root of 4142557566 is about 64362.7032216640. The cubic root of 4142557566 is about 1606.0393582359.

It can be divided in two parts, 414255 and 7566, that added together give a triangular number (421821 = T₉₁₈).

The spelling of 4142557566 in words is "four billion, one hundred forty-two million, five hundred fifty-seven thousand, five hundred sixty-six".