4026402042 has 32 divisors (see below), whose sum is σ = 8690140032. Its totient is φ = 1236337344.

The previous prime is 4026402013. The next prime is 4026402071. The reversal of 4026402042 is 2402046204.

It is an interprime number because it is at equal distance from previous prime (4026402013) and next prime (4026402071).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15013 + ... + 90984.

It is an arithmetic number, because the mean of its divisors is an integer number (271566876).

Almost surely, 2^4026402042 is an apocalyptic number.

4026402042 is an abundant number, since it is smaller than the sum of its proper divisors (4663737990).

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

4026402042 is a wasteful number, since it uses less digits than its factorization.

4026402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106502.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 4026402042 is about 63453.9363790774. The cubic root of 4026402042 is about 1590.8859482498.

Adding to 4026402042 its reverse (2402046204), we get a palindrome (6428448246).

The spelling of 4026402042 in words is "four billion, twenty-six million, four hundred two thousand, forty-two".