4261966542 has 24 divisors (see below), whose sum is σ = 9290919144. Its totient is φ = 1411938864.

The previous prime is 4261966517. The next prime is 4261966549. The reversal of 4261966542 is 2456691624.

4261966542 is a `hidden beast` number, since 42 + 6 + 1 + 9 + 66 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4261966549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 723373 + ... + 729240.

It is an arithmetic number, because the mean of its divisors is an integer number (387121631).

Almost surely, 2^4261966542 is an apocalyptic number.

4261966542 is an abundant number, since it is smaller than the sum of its proper divisors (5028952602).

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

4261966542 is a wasteful number, since it uses less digits than its factorization.

4261966542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452784 (or 1452781 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 4261966542 is about 65283.7387256582. The cubic root of 4261966542 is about 1621.3247485870.

The spelling of 4261966542 in words is "four billion, two hundred sixty-one million, nine hundred sixty-six thousand, five hundred forty-two".