4002432102 has 24 divisors (see below), whose sum is σ = 8993120136. Its totient is φ = 1334143872.

The previous prime is 4002432073. The next prime is 4002432107. The reversal of 4002432102 is 2012342004.

4002432102 is a `hidden beast` number, since 400 + 243 + 21 + 0 + 2 = 666.

It is a super-2 number, since 2×4002432102² = 32038925462240276808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4002432107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4117243 + ... + 4118214.

It is an arithmetic number, because the mean of its divisors is an integer number (374713339).

Almost surely, 2^4002432102 is an apocalyptic number.

4002432102 is an abundant number, since it is smaller than the sum of its proper divisors (4990688034).

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

4002432102 is an equidigital number, since it uses as much as digits as its factorization.

4002432102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8235474 (or 8235462 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 4002432102 is about 63264.7777361147. Note that the first 4 decimals coincide. The cubic root of 4002432102 is about 1587.7227135570.

Adding to 4002432102 its reverse (2012342004), we get a palindrome (6014774106).

The spelling of 4002432102 in words is "four billion, two million, four hundred thirty-two thousand, one hundred two".