4142951820 has 192 divisors, whose sum is σ = 15371274240. Its totient is φ = 905769216.

The previous prime is 4142951809. The next prime is 4142951821. The reversal of 4142951820 is 281592414.

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

It is not an unprimeable number, because it can be changed into a prime (4142951821) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63114 + ... + 110766.

It is an arithmetic number, because the mean of its divisors is an integer number (80058720).

Almost surely, 2^4142951820 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4142951820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7685637120).

4142951820 is an abundant number, since it is smaller than the sum of its proper divisors (11228322420).

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

4142951820 is a wasteful number, since it uses less digits than its factorization.

4142951820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47701 (or 47693 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 4142951820 is about 64365.7659008265. The cubic root of 4142951820 is about 1606.0903064198.

The spelling of 4142951820 in words is "four billion, one hundred forty-two million, nine hundred fifty-one thousand, eight hundred twenty".