4271890434 has 64 divisors (see below), whose sum is σ = 9859055616. Its totient is φ = 1208744064.

The previous prime is 4271890411. The next prime is 4271890459. The reversal of 4271890434 is 4340981724.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3929439 + ... + 3930525.

It is an arithmetic number, because the mean of its divisors is an integer number (154047744).

Almost surely, 2^4271890434 is an apocalyptic number.

4271890434 is an abundant number, since it is smaller than the sum of its proper divisors (5587165182).

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

4271890434 is a wasteful number, since it uses less digits than its factorization.

4271890434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1919.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 4271890434 is about 65359.7003818102. The cubic root of 4271890434 is about 1622.5821790391.

The spelling of 4271890434 in words is "four billion, two hundred seventy-one million, eight hundred ninety thousand, four hundred thirty-four".