4023420402 has 32 divisors (see below), whose sum is σ = 8170081920. Its totient is φ = 1320744960.

The previous prime is 4023420377. The next prime is 4023420433. The reversal of 4023420402 is 2040243204.

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, 93874 + ... + 129842.

It is an arithmetic number, because the mean of its divisors is an integer number (255315060).

Almost surely, 2^4023420402 is an apocalyptic number.

4023420402 is an abundant number, since it is smaller than the sum of its proper divisors (4146661518).

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

4023420402 is a wasteful number, since it uses less digits than its factorization.

4023420402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36258.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4023420402 is about 63430.4375044032. The cubic root of 4023420402 is about 1590.4931558355.

Adding to 4023420402 its reverse (2040243204), we get a palindrome (6063663606).

The spelling of 4023420402 in words is "four billion, twenty-three million, four hundred twenty thousand, four hundred two".