4055423442 has 64 divisors (see below), whose sum is σ = 9351901440. Its totient is φ = 1148442624.

The previous prime is 4055423401. The next prime is 4055423467. The reversal of 4055423442 is 2443245504.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3145534 + ... + 3146822.

It is an arithmetic number, because the mean of its divisors is an integer number (146123460).

Almost surely, 2^4055423442 is an apocalyptic number.

4055423442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4055423442 is an abundant number, since it is smaller than the sum of its proper divisors (5296477998).

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

4055423442 is a wasteful number, since it uses less digits than its factorization.

4055423442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907.

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 4055423442 is about 63682.2066357629. The cubic root of 4055423442 is about 1594.6990508673.

Adding to 4055423442 its reverse (2443245504), we get a palindrome (6498668946).

The spelling of 4055423442 in words is "four billion, fifty-five million, four hundred twenty-three thousand, four hundred forty-two".