4155405042 has 16 divisors (see below), whose sum is σ = 8322540480. Its totient is φ = 1383179952.

The previous prime is 4155405017. The next prime is 4155405049. The reversal of 4155405042 is 2405045514.

It is not an unprimeable number, because it can be changed into a prime (4155405049) 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, 484158 + ... + 492665.

It is an arithmetic number, because the mean of its divisors is an integer number (520158780).

Almost surely, 2^4155405042 is an apocalyptic number.

4155405042 is an abundant number, since it is smaller than the sum of its proper divisors (4167135438).

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

4155405042 is a wasteful number, since it uses less digits than its factorization.

4155405042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977537.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 4155405042 is about 64462.4312448732. The cubic root of 4155405042 is about 1607.6979357297.

The spelling of 4155405042 in words is "four billion, one hundred fifty-five million, four hundred five thousand, forty-two".