4006550442 has 16 divisors (see below), whose sum is σ = 8037313632. Its totient is φ = 1331481360.

The previous prime is 4006550441. The next prime is 4006550447. The reversal of 4006550442 is 2440556004.

It is not an unprimeable number, because it can be changed into a prime (4006550441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006713 + ... + 1010684.

It is an arithmetic number, because the mean of its divisors is an integer number (502332102).

Almost surely, 2^4006550442 is an apocalyptic number.

4006550442 is an abundant number, since it is smaller than the sum of its proper divisors (4030763190).

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

4006550442 is a wasteful number, since it uses less digits than its factorization.

4006550442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017733.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 4006550442 is about 63297.3178104728. The cubic root of 4006550442 is about 1588.2670942702.

The spelling of 4006550442 in words is "four billion, six million, five hundred fifty thousand, four hundred forty-two".