4199668542 has 48 divisors (see below), whose sum is σ = 9639779760. Its totient is φ = 1316825856.

The previous prime is 4199668541. The next prime is 4199668547. The reversal of 4199668542 is 2458669914.

4199668542 is a `hidden beast` number, since 4 + 1 + 9 + 96 + 6 + 8 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4199668541) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 993309 + ... + 997527.

It is an arithmetic number, because the mean of its divisors is an integer number (200828745).

Almost surely, 2^4199668542 is an apocalyptic number.

4199668542 is an abundant number, since it is smaller than the sum of its proper divisors (5440111218).

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

4199668542 is a wasteful number, since it uses less digits than its factorization.

4199668542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7497 (or 7494 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The square root of 4199668542 is about 64804.8496796343. The cubic root of 4199668542 is about 1613.3862017467.

The spelling of 4199668542 in words is "four billion, one hundred ninety-nine million, six hundred sixty-eight thousand, five hundred forty-two".