4000420235 has 16 divisors (see below), whose sum is σ = 5537569536. Its totient is φ = 2717505888.

The previous prime is 4000420219. The next prime is 4000420243. The reversal of 4000420235 is 5320240004.

It is a cyclic number.

It is not a de Polignac number, because 4000420235 - 2⁴ = 4000420219 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 530357 + ... + 537846.

It is an arithmetic number, because the mean of its divisors is an integer number (346098096).

Almost surely, 2^4000420235 is an apocalyptic number.

4000420235 is a deficient number, since it is larger than the sum of its proper divisors (1537149301).

4000420235 is a wasteful number, since it uses less digits than its factorization.

4000420235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068322.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4000420235 is about 63248.8753654956. The cubic root of 4000420235 is about 1587.4566401450.

Adding to 4000420235 its reverse (5320240004), we get a palindrome (9320660239).

The spelling of 4000420235 in words is "four billion, four hundred twenty thousand, two hundred thirty-five".