4320420402 has 32 divisors (see below), whose sum is σ = 8689443840. Its totient is φ = 1432060560.

The previous prime is 4320420373. The next prime is 4320420463. The reversal of 4320420402 is 2040240234.

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, 993549 + ... + 997887.

It is an arithmetic number, because the mean of its divisors is an integer number (271545120).

Almost surely, 2^4320420402 is an apocalyptic number.

4320420402 is an abundant number, since it is smaller than the sum of its proper divisors (4369023438).

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

4320420402 is a wasteful number, since it uses less digits than its factorization.

4320420402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5238.

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

The square root of 4320420402 is about 65729.9049291873. The cubic root of 4320420402 is about 1628.7033991042.

Adding to 4320420402 its reverse (2040240234), we get a palindrome (6360660636).

The spelling of 4320420402 in words is "four billion, three hundred twenty million, four hundred twenty thousand, four hundred two".